diff --git a/docs/sources/userguide/usingdocker.md b/docs/sources/userguide/usingdocker.md
index 2eaf707d1a..e91b0edf47 100644
--- a/docs/sources/userguide/usingdocker.md
+++ b/docs/sources/userguide/usingdocker.md
@@ -229,7 +229,7 @@ Lastly, we can take a low-level dive into our Docker container using the
 `docker inspect` command. It returns a JSON hash of useful configuration
 and status information about Docker containers.
 
-    $ docker inspect nostalgic_morse
+    $ sudo docker inspect nostalgic_morse
 
 Let's see a sample of that JSON output.