diff --git a/README.md b/README.md
index e4cd468..2af97f9 100644
--- a/README.md
+++ b/README.md
@@ -141,7 +141,7 @@ garbage collection. So, make sure you run something like below
 ```
   cd [path-where-your-docker-compose.yml]
   docker-compose stop registry
-  docker-compose run \
+  docker-compose run --rm \
        registry bin/registry garbage-collect \
        /etc/docker/registry/config.yml
   docker-compose up -d registry
@@ -149,7 +149,7 @@ garbage collection. So, make sure you run something like below
 or (if you are not using docker-compose):
 ```
   docker stop registry:2
-  docker run registry:2 bin/registry garbage-collect \
+  docker run --rm registry:2 bin/registry garbage-collect \
        /etc/docker/registry/config.yml
   docker start registry:2
 ```