Fix BACKEND_SERVICE_ENDPOINT variable value in the VideoQnA instructions (#821)

Signed-off-by: dmsuehir <dina.s.jones@intel.com>

Author: dmsuehir

VideoQnA/docker_compose/intel/cpu/xeon/README.md

@@ -140,7 +140,7 @@ export your_hf_api_token="Your_Huggingface_API_Token"
 **Append the value of the public IP address to the no_proxy list**
 
 ```
-export your_no_proxy=${your_no_proxy},"External_Public_IP"
+export your_no_proxy="${your_no_proxy},${host_ip}"
 ```
 
 Then you can run below commands or `source set_env.sh` to set all the variables
@@ -156,7 +156,7 @@ export RERANK_SERVICE_HOST_IP=${host_ip}
 export LVM_SERVICE_HOST_IP=${host_ip}
 
 export LVM_ENDPOINT="http://${host_ip}:9009"
-export BACKEND_SERVICE_ENDPOINT="http://${host_ip}:8888/v1/chatqna"
+export BACKEND_SERVICE_ENDPOINT="http://${host_ip}:8888/v1/videoqna"
 export BACKEND_HEALTH_CHECK_ENDPOINT="http://${host_ip}:8888/v1/health_check"
 export DATAPREP_SERVICE_ENDPOINT="http://${host_ip}:6007/v1/dataprep"
 export DATAPREP_GET_FILE_ENDPOINT="http://${host_ip}:6007/v1/dataprep/get_file"