From 4a5f09387e17860ba748d94028cb2a307c9e0b11 Mon Sep 17 00:00:00 2001
From: Mike Chelen <michael.chelen@gmail.com>
Date: Sat, 28 Jun 2014 12:01:16 -0400
Subject: [PATCH] missing `sudo`

---
 docs/sources/userguide/dockerimages.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/sources/userguide/dockerimages.md b/docs/sources/userguide/dockerimages.md
index ffcc39ddba..c3f5461c2f 100644
--- a/docs/sources/userguide/dockerimages.md
+++ b/docs/sources/userguide/dockerimages.md
@@ -380,7 +380,7 @@ containers](
 
 Let's delete the `training/sinatra` image as we don't need it anymore.
 
-    $ docker rmi training/sinatra
+    $ sudo docker rmi training/sinatra
     Untagged: training/sinatra:latest
     Deleted: 5bc342fa0b91cabf65246837015197eecfa24b2213ed6a51a8974ae250fedd8d
     Deleted: ed0fffdcdae5eb2c3a55549857a8be7fc8bc4241fb19ad714364cbfd7a56b22f