diff --git a/src/openaiExplainPatch.js b/src/openaiExplainPatch.js
index b34acd7..294febc 100644
--- a/src/openaiExplainPatch.js
+++ b/src/openaiExplainPatch.js
@@ -116,9 +116,11 @@ Desired format:
     console.log(`user_prompt:\n\n${user_prompt}`);
   }
 
+  let m = null;
+
   for (let i = 0; i < realModels.length; i++)
     try {
-      let m = realModels[i];
+      m = realModels[i];
       let enc = encoding_for_model(m);
       if (enc.encode(patchBody).length < amplification*max_tokens)
         throw new Error("The patch is trivial, no need for a summarization");  
@@ -154,5 +156,5 @@ Desired format:
     console.log(aiResponse.choices[0].message);
   }
 
-  return aiResponse.choices[0].message.content;
+  return aiResponse.choices[0].message.content+`\n\n<!-- Generated by ${m} -->`;
 }