Update prompts.py

prompts.py

@@ -51,7 +51,7 @@ You will be given a step by step plan, and a filename, and you will write the co
 You have recently chosen a file name to build on the space, so write the code for it.
 Follow the file template if provided for specific format requirements:
 **TEMPLATE_OR_NONE**
-ONLY USE "---" or "~~~" for code boxes inside the main "```json ```" code box
+DO NOT USE "```" for code boxes inside the main "```json ```" code box
 Return your formatted code within a JSON string in the following format, with these keys:
 {'filename':**FILENAME**,'filecontent':FILECONTENT}
 TIMELINE: