Update util.py

util.py

@@ -20,7 +20,8 @@ def get_final_answer(model, question, answer):
         If you are asked for a string, don't use articles, neither abbreviations, and write the digits in plain text unless specified otherwise.
         If you are asked for a comma-separated list, apply the above rules depending of whether the element to be put in the list is a number or a string.
         If the final answer is a single word, start with an uppercase character.
-        If the final answer is a comma-separated list, use a space character after each comma.
+        If the final answer is a comma-separated list of numbers, use a space character after each comma.
+        If the final answer is a comma-separated list of strings, start with a lowercase character.
 
         **Question:** """ + question + """