docs(readme.md): add note, saying poetry is required

README.md

@@ -374,6 +374,12 @@ We welcome contributions to LiteLLM! Whether you're fixing bugs, adding features
 
 ## Quick Start for Contributors
 
+:::info
+
+This requires poetry to be installed.
+
+:::
+
 ```bash
 git clone https://github.com/BerriAI/litellm.git
 cd litellm
@@ -381,6 +387,7 @@ make install-dev    # Install development dependencies
 make format         # Format your code
 make lint           # Run all linting checks
 make test-unit      # Run unit tests
+make format-check   # Check formatting only
 ```
 
 For detailed contributing guidelines, see [CONTRIBUTING.md](CONTRIBUTING.md).
@@ -396,11 +403,6 @@ Our automated checks include:
 - **Circular import detection**
 - **Import safety checks**
 
-Run all checks locally:
-```bash
-make lint           # Run all linting (matches CI)
-make format-check   # Check formatting only
-```
 
 All these checks must pass before your PR can be merged.