diff --git a/include/plasp/pddl/ConsistencyException.h b/include/plasp/pddl/ConsistencyException.h
index a8ec931..31941a5 100644
--- a/include/plasp/pddl/ConsistencyException.h
+++ b/include/plasp/pddl/ConsistencyException.h
@@ -19,7 +19,7 @@ class ConsistencyException: public std::exception
 {
 	public:
 		explicit ConsistencyException()
-		:	ConsistencyException("Unspecified consistency error")
+		:	ConsistencyException("unspecified consistency error")
 		{
 		}
 
@@ -40,7 +40,7 @@ class ConsistencyException: public std::exception
 		const char *what() const throw()
 		{
 			if (m_message.empty())
-				return "Unspecified consistency error";
+				return "unspecified consistency error";
 
 			return m_message.c_str();
 		}
diff --git a/include/plasp/utils/ParserException.h b/include/plasp/utils/ParserException.h
index e027a79..2bc5e4e 100644
--- a/include/plasp/utils/ParserException.h
+++ b/include/plasp/utils/ParserException.h
@@ -21,7 +21,7 @@ class ParserException: public std::exception
 {
 	public:
 		explicit ParserException(const utils::Parser &parser)
-		:	ParserException(parser, "Unspecified parser error")
+		:	ParserException(parser, "unspecified parser error")
 		{
 		}
 
diff --git a/src/plasp/pddl/Description.cpp b/src/plasp/pddl/Description.cpp
index 5740e7d..3ba5578 100644
--- a/src/plasp/pddl/Description.cpp
+++ b/src/plasp/pddl/Description.cpp
@@ -133,7 +133,7 @@ void Description::parse()
 	findSections();
 
 	if (m_domainPosition == -1)
-		throw ConsistencyException("No PDDL domain specified");
+		throw ConsistencyException("no PDDL domain specified");
 
 	parser.seek(m_domainPosition);
 	m_domain->parse();
@@ -188,7 +188,7 @@ void Description::findSections()
 		else
 		{
 			const auto sectionIdentifier = parser.parse<std::string>();
-			throw utils::ParserException(parser, "Unknown PDDL section “" + sectionIdentifier + "”");
+			throw utils::ParserException(parser, "unknown PDDL section “" + sectionIdentifier + "”");
 		}
 
 		m_context.parser.skipWhiteSpace();
diff --git a/src/plasp/pddl/Domain.cpp b/src/plasp/pddl/Domain.cpp
index 6d80d08..b8e9ec9 100644
--- a/src/plasp/pddl/Domain.cpp
+++ b/src/plasp/pddl/Domain.cpp
@@ -53,7 +53,7 @@ void Domain::findSections()
 			if (unique && sectionPosition != -1)
 			{
 				parser.seek(value);
-				throw utils::ParserException(parser, "Only one “:" + sectionName + "” section allowed");
+				throw utils::ParserException(parser, "only one “:" + sectionName + "” section allowed");
 			}
 
 			sectionPosition = value;
@@ -94,7 +94,7 @@ void Domain::findSections()
 
 			const auto sectionIdentifier = parser.parseIdentifier(isIdentifier);
 
-			m_context.logger.logWarning(parser, "Section type “" + sectionIdentifier + "” currently unsupported");
+			m_context.logger.logWarning(parser, "section type “" + sectionIdentifier + "” currently unsupported");
 
 			parser.seek(sectionIdentifierPosition);
 		}
@@ -103,7 +103,7 @@ void Domain::findSections()
 			const auto sectionIdentifier = parser.parseIdentifier(isIdentifier);
 
 			parser.seek(position);
-			throw utils::ParserException(m_context.parser, "Unknown domain section “" + sectionIdentifier + "”");
+			throw utils::ParserException(m_context.parser, "unknown domain section “" + sectionIdentifier + "”");
 		}
 
 		// Skip section for now and parse it later
@@ -279,7 +279,7 @@ void Domain::checkRequirement(Requirement::Type requirementType) const
 	if (hasRequirement(requirementType))
 		return;
 
-	throw ConsistencyException("Requirement “" + Requirement(requirementType).toPDDL() + "” used but never declared");
+	throw ConsistencyException("requirement “" + Requirement(requirementType).toPDDL() + "” used but never declared");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -340,7 +340,7 @@ void Domain::parseTypeSection()
 	while (parser.currentCharacter() != ')')
 	{
 		if (parser.currentCharacter() == '(')
-			throw utils::ParserException(parser, "Only primitive types are allowed in type section");
+			throw utils::ParserException(parser, "only primitive types are allowed in type section");
 
 		expressions::PrimitiveType::parseTypedDeclaration(m_context, *this);
 
diff --git a/src/plasp/pddl/Expression.cpp b/src/plasp/pddl/Expression.cpp
index bec5954..b3a3d04 100644
--- a/src/plasp/pddl/Expression.cpp
+++ b/src/plasp/pddl/Expression.cpp
@@ -114,7 +114,7 @@ ExpressionPointer parseExpression(Context &context, ExpressionContext &expressio
 	const auto expressionIdentifier = parser.parseIdentifier(isIdentifier);
 
 	parser.seek(position);
-	throw utils::ParserException(context.parser, "Expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
+	throw utils::ParserException(context.parser, "expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -186,7 +186,7 @@ ExpressionPointer parseEffectBodyExpression(Context &context, ExpressionContext
 	const auto expressionIdentifier = parser.parseIdentifier(isIdentifier);
 
 	parser.seek(position);
-	throw utils::ParserException(context.parser, "Expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
+	throw utils::ParserException(context.parser, "expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -198,7 +198,7 @@ ExpressionPointer parsePredicate(Context &context, ExpressionContext &expression
 	if ((expression = expressions::Predicate::parse(context, expressionContext)))
 		return expression;
 
-	throw utils::ParserException(context.parser, "Expected predicate");
+	throw utils::ParserException(context.parser, "expected predicate");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/plasp/pddl/InitialState.cpp b/src/plasp/pddl/InitialState.cpp
index 7290d3d..e767249 100644
--- a/src/plasp/pddl/InitialState.cpp
+++ b/src/plasp/pddl/InitialState.cpp
@@ -59,7 +59,7 @@ std::unique_ptr<InitialState> InitialState::parseDeclaration(Context &context,
 			const auto expressionIdentifier = parser.parseIdentifier(isIdentifier);
 
 			parser.seek(position);
-			throw utils::ParserException(parser, "Expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
+			throw utils::ParserException(parser, "expression type “" + expressionIdentifier + "” unknown or not allowed in this context");
 		};
 
 	parser.skipWhiteSpace();
diff --git a/src/plasp/pddl/Problem.cpp b/src/plasp/pddl/Problem.cpp
index 6a76967..0b58e1c 100644
--- a/src/plasp/pddl/Problem.cpp
+++ b/src/plasp/pddl/Problem.cpp
@@ -53,7 +53,7 @@ void Problem::findSections()
 		if (unique && sectionPosition != -1)
 		{
 			parser.seek(value);
-			throw utils::ParserException(parser, "Only one “:" + sectionName + "” section allowed");
+			throw utils::ParserException(parser, "only one “:" + sectionName + "” section allowed");
 		}
 
 		sectionPosition = value;
@@ -89,7 +89,7 @@ void Problem::findSections()
 
 			const auto sectionIdentifier = parser.parseIdentifier(isIdentifier);
 
-			m_context.logger.logWarning(parser, "Section type “" + sectionIdentifier + "” currently unsupported");
+			m_context.logger.logWarning(parser, "section type “" + sectionIdentifier + "” currently unsupported");
 
 			parser.seek(sectionIdentifierPosition);
 		}
@@ -98,7 +98,7 @@ void Problem::findSections()
 			const auto sectionIdentifier = parser.parseIdentifier(isIdentifier);
 
 			parser.seek(position);
-			throw utils::ParserException(m_context.parser, "Unknown problem section “" + sectionIdentifier + "”");
+			throw utils::ParserException(m_context.parser, "unknown problem section “" + sectionIdentifier + "”");
 		}
 
 		// Skip section for now and parse it later
@@ -117,7 +117,7 @@ void Problem::parse()
 	auto &parser = m_context.parser;
 
 	if (m_domainPosition == -1)
-		throw ConsistencyException("Problem description does not specify the corresponding domain");
+		throw ConsistencyException("problem description does not specify the corresponding domain");
 
 	parser.seek(m_domainPosition);
 	parseDomainSection();
@@ -135,13 +135,13 @@ void Problem::parse()
 	}
 
 	if (m_initialStatePosition == -1)
-		throw ConsistencyException("Problem description does not specify an initial state");
+		throw ConsistencyException("problem description does not specify an initial state");
 
 	parser.seek(m_initialStatePosition);
 	parseInitialStateSection();
 
 	if (m_goalPosition == -1)
-		throw ConsistencyException("Problem description does not specify a goal");
+		throw ConsistencyException("problem description does not specify a goal");
 
 	parser.seek(m_goalPosition);
 	parseGoalSection();
@@ -204,7 +204,7 @@ void Problem::parseDomainSection()
 	const auto domainName = parser.parseIdentifier(isIdentifier);
 
 	if (m_domain.name() != domainName)
-		throw utils::ParserException(parser, "Domains do not match (“" + m_domain.name() + "” and “" + domainName + "”)");
+		throw utils::ParserException(parser, "domains do not match (“" + m_domain.name() + "” and “" + domainName + "”)");
 
 	parser.expect<std::string>(")");
 }
@@ -261,7 +261,7 @@ void Problem::checkRequirement(Requirement::Type requirementType) const
 	if (hasRequirement(requirementType))
 		return;
 
-	throw ConsistencyException("Requirement “" + Requirement(requirementType).toPDDL() + "” used but never declared");
+	throw ConsistencyException("requirement “" + Requirement(requirementType).toPDDL() + "” used but never declared");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/plasp/pddl/Requirement.cpp b/src/plasp/pddl/Requirement.cpp
index 7583807..774d70e 100644
--- a/src/plasp/pddl/Requirement.cpp
+++ b/src/plasp/pddl/Requirement.cpp
@@ -89,12 +89,12 @@ Requirement Requirement::parse(Context &context)
 	const auto match = requirementTypesToPDDL.right.find(requirementName);
 
 	if (match == requirementTypesToPDDL.right.end())
-		throw utils::ParserException(context.parser, "Unknown PDDL requirement “" + requirementName + "”");
+		throw utils::ParserException(context.parser, "unknown PDDL requirement “" + requirementName + "”");
 
 	const auto requirementType = match->second;
 
 	if (requirementType == Requirement::Type::GoalUtilities)
-		context.logger.logWarning(context.parser, "Requirement “goal-utilities” is not part of the PDDL 3.1 specification");
+		context.logger.logWarning(context.parser, "requirement “goal-utilities” is not part of the PDDL 3.1 specification");
 
 	return Requirement(match->second);
 }
diff --git a/src/plasp/pddl/TranslatorASP.cpp b/src/plasp/pddl/TranslatorASP.cpp
index fe948b3..62f4213 100644
--- a/src/plasp/pddl/TranslatorASP.cpp
+++ b/src/plasp/pddl/TranslatorASP.cpp
@@ -221,7 +221,7 @@ void TranslatorASP::translateActions() const
 				else
 				{
 					if (precondition.expressionType() != Expression::Type::And)
-						throw utils::TranslatorException("Only “and” expressions and (negated) predicates supported as action preconditions currently");
+						throw utils::TranslatorException("only “and” expressions and (negated) predicates supported as action preconditions currently");
 
 					const auto &andExpression = dynamic_cast<const expressions::And &>(precondition);
 
@@ -247,7 +247,7 @@ void TranslatorASP::translateActions() const
 				else
 				{
 					if (effect.expressionType() != Expression::Type::And)
-						throw utils::TranslatorException("Only “and” expressions and (negated) predicates supported as action effects currently");
+						throw utils::TranslatorException("only “and” expressions and (negated) predicates supported as action effects currently");
 
 					const auto &andExpression = dynamic_cast<const expressions::And &>(effect);
 
@@ -342,7 +342,7 @@ void TranslatorASP::translateVariablesBody(const expressions::Variables &variabl
 		if (variable.type() != nullptr)
 		{
 			if (variable.type()->expressionType() != Expression::Type::PrimitiveType)
-				throw utils::TranslatorException("Only primitive types supported currently");
+				throw utils::TranslatorException("only primitive types supported currently");
 
 			const auto &type = *dynamic_cast<const expressions::PrimitiveType *>(variable.type());
 
@@ -387,7 +387,7 @@ void TranslatorASP::translateLiteral(const Expression &literal) const
 		printKeyword("false");
 	}
 	else
-		throw utils::TranslatorException("Only primitive predicates and their negations supported as literals currently");
+		throw utils::TranslatorException("only primitive predicates and their negations supported as literals currently");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -426,7 +426,7 @@ void TranslatorASP::translatePredicate(const expressions::Predicate &predicate)
 			printVariable(utils::escapeASPVariable(variable.name()));
 		}
 		else
-			throw utils::TranslatorException("Only variables and constants supported in predicates currently");
+			throw utils::TranslatorException("only variables and constants supported in predicates currently");
 	}
 
 	m_outputStream << "))";
@@ -484,10 +484,10 @@ void TranslatorASP::translateInitialState() const
 				const auto &notExpression = dynamic_cast<const expressions::Not &>(*fact);
 
 				if (notExpression.argument()->expressionType() != Expression::Type::Predicate)
-					throw utils::TranslatorException("Only negations of simple predicates supported in initial state currently");
+					throw utils::TranslatorException("only negations of simple predicates supported in initial state currently");
 			}
 			else
-				throw utils::TranslatorException("Only predicates and their negations supported in initial state currently");
+				throw utils::TranslatorException("only predicates and their negations supported in initial state currently");
 
 			m_outputStream << ").";
 		});
@@ -533,7 +533,7 @@ void TranslatorASP::translateGoal() const
 			});
 	}
 	else
-		throw utils::TranslatorException("Only single predicates, their negations, and conjunctions are currently supported in the goal");
+		throw utils::TranslatorException("only single predicates, their negations, and conjunctions are currently supported in the goal");
 
 	m_outputStream << std::endl;
 }
diff --git a/src/plasp/pddl/expressions/Constant.cpp b/src/plasp/pddl/expressions/Constant.cpp
index 2b4a4e1..8ae4d8d 100644
--- a/src/plasp/pddl/expressions/Constant.cpp
+++ b/src/plasp/pddl/expressions/Constant.cpp
@@ -113,7 +113,7 @@ void Constant::parseTypedDeclarations(Context &context, Domain &domain)
 		domain.checkRequirement(Requirement::Type::Typing);
 	// If no types are given, check that typing is not a requirement
 	else if (domain.hasRequirement(Requirement::Type::Typing))
-		throw utils::ParserException(parser, "Constant has undeclared type");
+		throw utils::ParserException(parser, "constant has undeclared type");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -140,7 +140,7 @@ void Constant::parseTypedDeclarations(Context &context, Problem &problem)
 		problem.checkRequirement(Requirement::Type::Typing);
 	// If no types are given, check that typing is not a requirement
 	else if (problem.hasRequirement(Requirement::Type::Typing))
-		throw utils::ParserException(context.parser, "Constant has undeclared type");
+		throw utils::ParserException(context.parser, "constant has undeclared type");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -156,7 +156,7 @@ Constant *Constant::parseAndFind(Context &context, const Domain &domain)
 	if (constant != nullptr)
 		return constant;
 
-	throw utils::ParserException(context.parser, "Constant “" + constantName + "” used but never declared");
+	throw utils::ParserException(context.parser, "constant “" + constantName + "” used but never declared");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -177,7 +177,7 @@ Constant *Constant::parseAndFind(Context &context, const Problem &problem)
 	if (constant)
 		return constant;
 
-	throw utils::ParserException(context.parser, "Constant “" + constantName + "” used but never declared");
+	throw utils::ParserException(context.parser, "constant “" + constantName + "” used but never declared");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/plasp/pddl/expressions/Predicate.cpp b/src/plasp/pddl/expressions/Predicate.cpp
index ee4a314..6438992 100644
--- a/src/plasp/pddl/expressions/Predicate.cpp
+++ b/src/plasp/pddl/expressions/Predicate.cpp
@@ -127,7 +127,7 @@ PredicatePointer Predicate::parse(Context &context, const Problem &problem)
 	while (context.parser.currentCharacter() != ')')
 	{
 		if (context.parser.currentCharacter() == '?')
-			throw utils::ParserException(context.parser, "Variables not allowed in this context");
+			throw utils::ParserException(context.parser, "variables not allowed in this context");
 
 		// Parse objects and constants
 		const auto *constant = Constant::parseAndFind(context, problem);
diff --git a/src/plasp/pddl/expressions/PrimitiveType.cpp b/src/plasp/pddl/expressions/PrimitiveType.cpp
index 5e55d39..850300a 100644
--- a/src/plasp/pddl/expressions/PrimitiveType.cpp
+++ b/src/plasp/pddl/expressions/PrimitiveType.cpp
@@ -109,7 +109,7 @@ PrimitiveType *PrimitiveType::parseAndFind(Context &context, Domain &domain)
 	const auto typeName = context.parser.parseIdentifier(isIdentifier);
 
 	if (typeName.empty())
-		throw utils::ParserException(context.parser, "No type supplied");
+		throw utils::ParserException(context.parser, "no type supplied");
 
 	const auto match = std::find_if(types.cbegin(), types.cend(),
 		[&](const auto &primitiveType)
@@ -122,11 +122,11 @@ PrimitiveType *PrimitiveType::parseAndFind(Context &context, Domain &domain)
 		// Only "object" is allowed as an implicit type
 		if (typeName == "object" || typeName == "objects")
 		{
-			context.logger.logWarning(context.parser, "Primitive type “" + typeName + "” should be declared");
+			context.logger.logWarning(context.parser, "primitive type “" + typeName + "” should be declared");
 			types.emplace_back(std::make_unique<expressions::PrimitiveType>(typeName));
 		}
 		else
-			throw utils::ParserException(context.parser, "Type “" + typeName + "” used but never declared");
+			throw utils::ParserException(context.parser, "type “" + typeName + "” used but never declared");
 
 		return types.back().get();
 	}
diff --git a/src/plasp/pddl/expressions/Unsupported.cpp b/src/plasp/pddl/expressions/Unsupported.cpp
index 4072afa..19181bc 100644
--- a/src/plasp/pddl/expressions/Unsupported.cpp
+++ b/src/plasp/pddl/expressions/Unsupported.cpp
@@ -26,7 +26,7 @@ UnsupportedPointer Unsupported::parse(Context &context)
 
 	expression->m_type = parser.parseIdentifier(isIdentifier);
 
-	context.logger.logWarning(context.parser, "Expression type “" + expression->m_type + "” currently unsupported in this context");
+	context.logger.logWarning(context.parser, "expression type “" + expression->m_type + "” currently unsupported in this context");
 
 	skipSection(parser);
 
diff --git a/src/plasp/pddl/expressions/Variable.cpp b/src/plasp/pddl/expressions/Variable.cpp
index 571471e..7a7ed28 100644
--- a/src/plasp/pddl/expressions/Variable.cpp
+++ b/src/plasp/pddl/expressions/Variable.cpp
@@ -52,7 +52,7 @@ void Variable::parseDeclaration(Context &context, Variables &parameters)
 		});
 
 	if (match != parameters.cend())
-		throw utils::ParserException(context.parser, "Variable “" + variable->m_name + "” already declared in this scope");
+		throw utils::ParserException(context.parser, "variable “" + variable->m_name + "” already declared in this scope");
 
 	// Flag variable for potentially upcoming type declaration
 	variable->setDirty();
@@ -132,7 +132,7 @@ void Variable::parseTypedDeclarations(Context &context, ExpressionContext &expre
 		expressionContext.checkRequirement(Requirement::Type::Typing);
 	// If no types are given, check that typing is not a requirement
 	else if (expressionContext.hasRequirement(Requirement::Type::Typing))
-		throw utils::ParserException(parser, "Variable has undeclared type");
+		throw utils::ParserException(parser, "variable has undeclared type");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -154,7 +154,7 @@ const Variable *Variable::parseAndFind(Context &context, const ExpressionContext
 		});
 
 	if (match == variables.cend())
-		throw utils::ParserException(context.parser, "Parameter “" + variableName + "” used but never declared");
+		throw utils::ParserException(context.parser, "parameter “" + variableName + "” used but never declared");
 
 	return match->get();
 }
diff --git a/src/plasp/sas/Description.cpp b/src/plasp/sas/Description.cpp
index ced16d6..615c645 100644
--- a/src/plasp/sas/Description.cpp
+++ b/src/plasp/sas/Description.cpp
@@ -169,7 +169,7 @@ void Description::parseContent(utils::Parser &parser)
 	parser.skipWhiteSpace();
 
 	if (!parser.atEndOfStream())
-		throw utils::ParserException(parser, "Expected end of SAS description (perhaps, input contains two SAS descriptions?)");
+		throw utils::ParserException(parser, "expected end of SAS description (perhaps, input contains two SAS descriptions?)");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -181,7 +181,7 @@ void Description::parseVersionSection(utils::Parser &parser) const
 	const auto formatVersion = parser.parse<size_t>();
 
 	if (formatVersion != 3)
-		throw utils::ParserException(parser, "Unsupported SAS format version (" + std::to_string(formatVersion) + ")");
+		throw utils::ParserException(parser, "unsupported SAS format version (" + std::to_string(formatVersion) + ")");
 
 	parser.expect<std::string>("end_version");
 }
diff --git a/src/plasp/sas/MutexGroup.cpp b/src/plasp/sas/MutexGroup.cpp
index c2edf96..69b08b9 100644
--- a/src/plasp/sas/MutexGroup.cpp
+++ b/src/plasp/sas/MutexGroup.cpp
@@ -29,7 +29,7 @@ MutexGroup MutexGroup::fromSAS(utils::Parser &parser, const Variables &variables
 		mutexGroup.m_facts.emplace_back(Fact::fromSAS(parser, variables));
 
 		if (mutexGroup.m_facts[j].value() == Value::None)
-			throw utils::ParserException(parser, "Mutex groups must not contain <none of those> values");
+			throw utils::ParserException(parser, "mutex groups must not contain <none of those> values");
 	}
 
 	parser.expect<std::string>("end_mutex_group");
diff --git a/src/plasp/sas/Predicate.cpp b/src/plasp/sas/Predicate.cpp
index 023d276..14ecf50 100644
--- a/src/plasp/sas/Predicate.cpp
+++ b/src/plasp/sas/Predicate.cpp
@@ -46,7 +46,7 @@ Predicate Predicate::fromSAS(utils::Parser &parser)
 	}
 	catch (const std::exception &e)
 	{
-		throw utils::ParserException(parser, "Could not parse operator predicate");
+		throw utils::ParserException(parser, "could not parse operator predicate");
 	}
 
 	return predicate;
diff --git a/src/plasp/sas/Value.cpp b/src/plasp/sas/Value.cpp
index f3a29fe..f5ad4b6 100644
--- a/src/plasp/sas/Value.cpp
+++ b/src/plasp/sas/Value.cpp
@@ -74,7 +74,7 @@ Value Value::fromSAS(utils::Parser &parser)
 	else if (sasSign == "NegatedAtom")
 		value.m_sign = Value::Sign::Negative;
 	else
-		throw utils::ParserException(parser, "Invalid value sign “" + sasSign + "”");
+		throw utils::ParserException(parser, "invalid value sign “" + sasSign + "”");
 
 	try
 	{
@@ -90,7 +90,7 @@ Value Value::fromSAS(utils::Parser &parser)
 	}
 	catch (const std::exception &e)
 	{
-		throw utils::ParserException(parser, std::string("Could not parse variable value (") + e.what() + ")");
+		throw utils::ParserException(parser, std::string("could not parse variable value (") + e.what() + ")");
 	}
 
 	return value;
@@ -106,7 +106,7 @@ const Value &Value::referenceFromSAS(utils::Parser &parser, const Variable &vari
 		return Value::Any;
 
 	if (valueID < 0 || static_cast<size_t>(valueID) >= variable.values().size())
-		throw utils::ParserException(parser, "Value index out of range (variable " + variable.name() + ", index " + std::to_string(valueID) + ")");
+		throw utils::ParserException(parser, "value index out of range (variable " + variable.name() + ", index " + std::to_string(valueID) + ")");
 
 	return variable.values()[valueID];
 }
diff --git a/src/plasp/sas/Variable.cpp b/src/plasp/sas/Variable.cpp
index 9a9594d..48dc140 100644
--- a/src/plasp/sas/Variable.cpp
+++ b/src/plasp/sas/Variable.cpp
@@ -63,7 +63,7 @@ const Variable &Variable::referenceFromSAS(utils::Parser &parser, const Variable
 	const auto variableID = parser.parse<size_t>();
 
 	if (variableID >= variables.size())
-		throw utils::ParserException(parser, "Variable index out of range (index " + std::to_string(variableID) + ")");
+		throw utils::ParserException(parser, "variable index out of range (index " + std::to_string(variableID) + ")");
 
 	return variables[variableID];
 }
diff --git a/src/plasp/utils/Parser.cpp b/src/plasp/utils/Parser.cpp
index 9a6ad85..a543c7a 100644
--- a/src/plasp/utils/Parser.cpp
+++ b/src/plasp/utils/Parser.cpp
@@ -186,7 +186,7 @@ bool Parser::atEndOfStream() const
 void Parser::checkStream() const
 {
 	if (atEndOfStream())
-		throw ParserException(*this, "Reading past end of file");
+		throw ParserException(*this, "reading past end of file");
 
 	if (m_stream.fail())
 		throw ParserException(*this);
@@ -310,7 +310,7 @@ template<>
 void Parser::expect<std::string>(const std::string &expectedValue)
 {
 	if (!probe<std::string>(expectedValue))
-		throw ParserException(*this, "Expected “" + expectedValue + "”");
+		throw ParserException(*this, "expected “" + expectedValue + "”");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -344,7 +344,7 @@ template<>
 void Parser::expect<char>(const char &expectedValue)
 {
 	if (!probe<char>(expectedValue))
-		throw ParserException(*this, std::string("Expected “") + expectedValue + "”");
+		throw ParserException(*this, std::string("expected “") + expectedValue + "”");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -354,7 +354,7 @@ uint64_t Parser::parseIntegerBody()
 	checkStream();
 
 	if (!std::isdigit(currentCharacter()))
-		throw ParserException(*this, "Could not parse integer value");
+		throw ParserException(*this, "could not parse integer value");
 
 	uint64_t value = 0;
 
@@ -396,7 +396,7 @@ uint64_t Parser::parse<uint64_t>()
 	skipWhiteSpace();
 
 	if (currentCharacter() == '-')
-		throw ParserException(*this, "Expected unsigned integer, got signed one");
+		throw ParserException(*this, "expected unsigned integer, got signed one");
 
 	return parseIntegerBody();
 }
@@ -439,7 +439,7 @@ template<>
 void Parser::expect<int64_t>(const int64_t &expectedValue)
 {
 	if (!probe<int64_t>(expectedValue))
-		throw ParserException(*this, "Expected “" + std::to_string(expectedValue) + "”");
+		throw ParserException(*this, "expected “" + std::to_string(expectedValue) + "”");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -448,7 +448,7 @@ template<>
 void Parser::expect<uint64_t>(const uint64_t &expectedValue)
 {
 	if (!probe<uint64_t>(expectedValue))
-		throw ParserException(*this, "Expected “" + std::to_string(expectedValue) + "”");
+		throw ParserException(*this, "expected “" + std::to_string(expectedValue) + "”");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -512,7 +512,7 @@ bool Parser::parse<bool>()
 	if (probe('1'))
 		return true;
 
-	throw ParserException(*this, "Could not parse Boolean value");
+	throw ParserException(*this, "could not parse Boolean value");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -523,7 +523,7 @@ void Parser::expect<bool>(const bool &expectedValue)
 	const auto value = parse<bool>();
 
 	if (value != expectedValue)
-		throw ParserException(*this, "Expected “" + std::to_string(expectedValue) + "”");
+		throw ParserException(*this, "expected “" + std::to_string(expectedValue) + "”");
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////