Update README.md

README.md

@@ -14,7 +14,7 @@ To run this fp8 model on vLLM framework,
 1. build the rocm-vllm docker image by using this [dockerfile](https://github.com/ROCm/vllm/blob/main/Dockerfile.rocm) and launch a vllm docker container. 
 
 ```sh
-docker build -f Dockerfile_amd -t vllm_test .
+docker build -f Dockerfile.rocm -t vllm_test .
 docker run --rm -it --device=/dev/kfd --device=/dev/dri --group-add video --ipc=host --shm-size 16G vllm_test:latest
 ```