improve preaudit prompt

bot.py

@@ -94,7 +94,7 @@ def preaudit(update: Update, context: CallbackContext) -> None:
         code_content = response.text
 
         prompt = '''
-/- Match the natspec documentation made for each function in the code above with its code, for each function list the differences if they don't match perfectly. Make it a list with function signatures and assessments for parts that do not match.
+/- Match the natspec documentation made for each function in the code above with its code, for each function list the differences if they don't match perfectly. Make it a list with function signatures and assessments for parts that do not match. You can NEVER say that code is too long to make a review, you have more context size than the source code to craft your answer so you are allowed to make big analysis.
 '''
         messages = [
             {