From 4e576f047fc8a5a75fa88a66132bdade4f3a1e44 Mon Sep 17 00:00:00 2001
From: kim0 <email.ahmedkamal@googlemail.com>
Date: Fri, 24 May 2013 18:55:32 +0300
Subject: [PATCH] Properly install ppa, avoid GPG key warning

---
 docs/sources/installation/ubuntulinux.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/sources/installation/ubuntulinux.rst b/docs/sources/installation/ubuntulinux.rst
index 6d2d3e671d..82d44827a0 100644
--- a/docs/sources/installation/ubuntulinux.rst
+++ b/docs/sources/installation/ubuntulinux.rst
@@ -54,9 +54,9 @@ which makes installing Docker on Ubuntu very easy.
 .. code-block:: bash
 
    # Add the PPA sources to your apt sources list.
-   sudo sh -c "echo 'deb http://ppa.launchpad.net/dotcloud/lxc-docker/ubuntu precise main' > /etc/apt/sources.list.d/lxc-docker.list"
+   sudo apt-get install python-software-properties && sudo add-apt-repository ppa:dotcloud/lxc-docker
 
-   # Update your sources, you will see a warning.
+   # Update your sources
    sudo apt-get update
 
    # Install, you will see another warning that the package cannot be authenticated. Confirm install.