diff --git a/doc/source/user/registering-image.rst b/doc/source/user/registering-image.rst
index 19ac4d6e06..21498c4888 100644
--- a/doc/source/user/registering-image.rst
+++ b/doc/source/user/registering-image.rst
@@ -21,7 +21,9 @@ for each distribution:
 +--------------+------------+
 | OS           | username   |
 +==============+============+
-| Ubuntu 12,14 | ubuntu     |
+| Ubuntu 12.04 | ubuntu     |
++--------------+------------+
+| Ubuntu 14.04 | ubuntu     |
 +--------------+------------+
 | Fedora       | fedora     |
 +--------------+------------+