diff --git a/README.md b/README.md
index bd4bec8..4c3b0af 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,11 @@ server {
 
 ## Docker
 
+### start the docker service
+```
+sudo systemctl start docker
+```
+
 ### docker-compose pull
 pull the latest image of services
 ```