diff --git a/docs/docsite/rst/intro_installation.rst b/docs/docsite/rst/intro_installation.rst
index f1907e9652..2052d9c5dd 100644
--- a/docs/docsite/rst/intro_installation.rst
+++ b/docs/docsite/rst/intro_installation.rst
@@ -138,6 +138,7 @@ To configure the PPA on your machine and install ansible run these commands:
 
 .. code-block:: bash
 
+    $ sudo apt-get update
     $ sudo apt-get install software-properties-common
     $ sudo apt-add-repository ppa:ansible/ansible
     $ sudo apt-get update