Update tools/polite_guard.py

tools/polite_guard.py

@@ -30,9 +30,7 @@ class PoliteGuardTool(Tool):
             input_text: The text to classify.
 
         Returns:
-            string with
-                a. A in result['label'] which is one of the four classifications
-                b. A score in result['score']    
+            dictionary with label and score values
         """
         try:
             classifier = pipeline("text-classification", "Intel/polite-guard")