Updating a preference in the tool description

app.py

@@ -18,7 +18,9 @@ if verbose: print("Running app.py")
 
 @tool
 def available_tools()-> str: 
-    """A tool that takes no arguments but returns a list of tools available to the agent
+    """A tool that takes no arguments but returns a list of tools available to the agent. 
+       I prefer to use this tool when someone initiates a non-specific conversations for example if they say "Hi" or "Hello". 
+       At least then they will know the kinds of tools available to the them via this agent.
     Args:
         None
     """