diff --git a/care/emr/api/viewsets/questionnaire.py b/care/emr/api/viewsets/questionnaire.py
index b256d338fc..1bdd62a58d 100644
--- a/care/emr/api/viewsets/questionnaire.py
+++ b/care/emr/api/viewsets/questionnaire.py
@@ -61,12 +61,15 @@ def perform_create(self, instance):
                 )
 
     def validate_data(self, instance, model_obj=None):
+        # If we're editing an existing questionnaire (model_obj is not None)
+        # and there are no responses linked to this questionnaire yet
         if (
             model_obj
-            and not QuestionnaireResponse.objects.filter(
-                questionnaire=model_obj
-            ).exists()
+            and QuestionnaireResponse.objects.filter(questionnaire=model_obj).exists()
         ):
+            # Prevent editing if the questionnaire has already been used (has responses)
+            # This ensures data integrity by not allowing changes to questionnaires
+            # that are actively being used
             raise ValidationError("Cannot edit an active questionnaire")
 
     def authorize_create(self, instance):