diff --git a/include/plasp/sas/MutexGroup.h b/include/plasp/sas/MutexGroup.h
index 3fa5267..ddda781 100644
--- a/include/plasp/sas/MutexGroup.h
+++ b/include/plasp/sas/MutexGroup.h
@@ -14,6 +14,7 @@ namespace sas
 //
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
+// TODO: make consistent with initial state/goal
 struct MutexGroup
 {
 	using Fact = AssignedVariable;