Update tools.py

tools.py

@@ -120,6 +120,7 @@ def transcribe_audio(file_path: str) -> str:
 @tool
 def arvix_search(query: str) -> str:
     """Search Arxiv for a query and return maximum 3 result.
+        This tool allows for searching papers and articles 
     
     Args:
         query: The search query."""