diff --git a/README.md b/README.md
index 25ada25..0302147 100644
--- a/README.md
+++ b/README.md
@@ -66,14 +66,14 @@ Rolling releases are built with every commit and also re-generated weekly. You
 can inspect the images to get which commit it was built using:
 
 ```bash
-$ docker inspect mailman-core --format '{{json .Config.Labels }}' | python -m json.tool
+$ docker inspect --format '{{json .Config.Labels }}' mailman-core | python -m json.tool
 {
     "version.core": "31f434d0",
     "version.git_commit": "45a4d7805b2b3d0e7c51679f59682d64ba02f05f",
     "version.mm3-hk": "c625bfd2"
 }
 
-$ docker inspect mailman-web --format '{{json .Config.Labels }}' | python -m json.tool
+$ docker inspect --format '{{json .Config.Labels }}' mailman-web | python -m json.tool
 {
     "version.client": "d9e9cb73",
     "version.dj-mm3": "72a7d6c4",