diff --git a/app/routes/messages.py b/app/routes/messages.py
index 46f03c89..baa65d70 100644
--- a/app/routes/messages.py
+++ b/app/routes/messages.py
@@ -62,7 +62,7 @@ def execute_call(body: SendMessageRequest) -> dict:
 def send_message(body: SendMessageRequest) -> SendMessageResponse:
     generated_vars = execute_call(body)
 
-    # Restore the old behavior of throwing an exception if no 'response' variable was generated
+    # V1: Throw an exception if no 'response' variable was generated
     if "response" not in generated_vars:
         raise InternalServerException(
             str(ValueError("The handlebars do not generate 'response'"))
@@ -77,7 +77,7 @@ def send_message(body: SendMessageRequest) -> SendMessageResponse:
                     type=ContentType.TEXT,
                     textContent=generated_vars[
                         "response"
-                    ],  # V1 behavior: only return the 'response' variable
+                    ],  # V1: only return the 'response' variable
                 )
             ],
         ),
@@ -93,5 +93,5 @@ def send_message_v2(body: SendMessageRequest) -> SendMessageResponseV2:
     return SendMessageResponseV2(
         usedModel=body.preferred_model,
         sentAt=datetime.now(timezone.utc),
-        content=generated_vars,  # V2 behavior: return all variables generated in the program
+        content=generated_vars,  # V2: return all generated variables
     )