diff --git a/etc/ironic/ironic.conf.sample b/etc/ironic/ironic.conf.sample
index 6636856d756..0cab3053e34 100644
--- a/etc/ironic/ironic.conf.sample
+++ b/etc/ironic/ironic.conf.sample
@@ -1167,7 +1167,7 @@
 # Options defined in ironic.common.keystone
 #
 
-# The region used for getting endpoints of OpenStackservices.
+# The region used for getting endpoints of OpenStack services.
 # (string value)
 #region_name=<None>
 
diff --git a/ironic/common/keystone.py b/ironic/common/keystone.py
index 408790844f7..46a5e64db18 100644
--- a/ironic/common/keystone.py
+++ b/ironic/common/keystone.py
@@ -25,7 +25,7 @@ CONF = cfg.CONF
 keystone_opts = [
     cfg.StrOpt('region_name',
                help=_('The region used for getting endpoints of OpenStack'
-                      'services.')),
+                      ' services.')),
 ]
 
 CONF.register_opts(keystone_opts, group='keystone')