diff --git a/include/anthem/ASTUtils.h b/include/anthem/ASTUtils.h
index 2bc4042..b0ed1f9 100644
--- a/include/anthem/ASTUtils.h
+++ b/include/anthem/ASTUtils.h
@@ -17,6 +17,7 @@ namespace ast
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 // TODO: rename to VariableDeclarationStack or ParameterStack
+// TODO: move to separate file
 class VariableStack
 {
 	public: