Fix code snippet

README.md

@@ -30,7 +30,7 @@ export HF_HUB_ENABLE_HF_TRANSFER=1
 huggingface-cli download --local-dir CodeLlama-7b-mlx mlx-llama/CodeLlama-7b-mlx
 
 # Run example
-python mlx-examples/llama/llama.py CodeLlama-7b-mlx/ CodeLlama-7b-mlx/tokenizer.model "def fibonacci("
+python mlx-examples/llama/llama.py --prompt "int main(char argc, char **argv) {" CodeLlama-7b-mlx/ CodeLlama-7b-mlx/tokenizer.model
 ```
 
 Please, refer to the [original model card](https://github.com/facebookresearch/codellama/blob/main/MODEL_CARD.md) for details on CodeLlama.