Update AudioQnA/docker_compose/intel/cpu/xeon/README_vllm.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Zhenzhong1

AudioQnA/docker_compose/intel/cpu/xeon/README_vllm.md

@@ -31,7 +31,7 @@ If you are using a specific branch or tag, then we perform git checkout to the d
 
 ```bash
 ### Replace "v1.2" with the code version you need (branch or tag)
-cd cd ~/searchqna-test/GenAIExamples/SearchQnA/docker_image_build && git checkout v1.3
+cd ~/searchqna-test/GenAIExamples/SearchQnA/docker_image_build && git checkout v1.3
 git clone https://github.com/opea-project/GenAIComps.git
 ```