Tweaked the README.md

README.md

@@ -149,7 +149,7 @@ Create custom profiles with dedicated instructions and enabled tools!
 
 Set `REACHY_MINI_CUSTOM_PROFILE=<name>` to load `src/reachy_mini_conversation_app/profiles/<name>/` (see `.env.example`). If unset, the `default` profile is used.
 
-Each profile needs two files: `instructions.txt` (prompt text) and `tools.txt` (list of allowed tools).
+Each profile requires two files: `instructions.txt` (prompt text) and `tools.txt` (list of allowed tools), and optionally contains custom tools implementations.
 
 ### Custom instructions
 Write plain-text prompts in `instructions.txt`. To reuse shared prompt pieces, add lines like:
@@ -169,7 +169,11 @@ play_emotion
 # My custom tool defined locally
 sweep_look
 ```
-Tools are resolved first from Python files in the profile folder, then from the shared library `src/reachy_mini_conversation_app/tools/` (e.g., `dance`, `head_tracking`). Custom tools must subclass `reachy_mini_conversation_app.tools.core_tools.Tool` (see `profiles/example/sweep_look.py` and `throw_stone.py`).
+Tools are resolved first from Python files in the profile folder (custom tools), then from the shared library `src/reachy_mini_conversation_app/tools/` (e.g., `dance`, `head_tracking`). 
+
+### Custom tools
+On top of built-in tools found in the shared library, you can implement custom tools specific to your profile by adding Python files in the profile folder. 
+Custom tools must subclass `reachy_mini_conversation_app.tools.core_tools.Tool` (see `profiles/example/sweep_look.py`).