Fix the incorrect content

Change-Id: I138000951d75894cc5eb01a8b364ed8293940c40
Closes-Bug: #1720095

doc/source/user/quickstart.rst

@@ -500,8 +500,8 @@ please use the following parameters with kolla-build:
 
 .. note::
 
-    --base and --type can be added to the above kolla-build command if
-    different distributions or types are desired.
+   ``--base`` and ``--type`` can be added to the above kolla-build command if
+   different distributions or types are desired.
 
 It is also possible to build individual container images. As an example, if the
 glance images failed to build, all glance related images can be rebuilt as