Update README.md

Author: williamFalcon

README.md

@@ -150,6 +150,8 @@ result = llm.call_tool(chosen_tool, tools=[get_weather])
 # The weather in London is sunny
 ```
 
+Choose automatic or manual tool calling based on production needs. `auto_tool_call=True` is great for quick demos, but can obscure when and why a tool runs which can lead to surprises in production. `llm.call_tool(...)` gives you full control to decide when tools execute, making it easier to log, debug, test, and audit. This clarity is critical for reliability, safety, and trust in real-world systems.
+
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 # Key features