Update app.py

app.py

@@ -38,9 +38,9 @@ def get_reverse_str(word: str) -> str:
     """
     A tool that returns a input word reversed
     Args:
-        word (str): A string containing a word
+        word: A string containing a word
     Returns:
-        word2 (str): The input word reversed
+        word2: The input word reversed
     """
     word2 = word[::-1]
     return word2