diff --git a/doc/source/installation/installing.rst b/doc/source/installation/installing.rst
index 3c1662ae..4c2eaf10 100644
--- a/doc/source/installation/installing.rst
+++ b/doc/source/installation/installing.rst
@@ -39,7 +39,7 @@ Installing the Undercloud
       example, if the system is named *myhost.mydomain*, /etc/hosts should have
       an entry like::
 
-         127.0.0.1   myhost.mydomain
+         127.0.0.1   myhost.mydomain myhost
 
 
 #. Enable needed repositories: