diff --git a/doc/common/samples/keystone.conf b/doc/common/samples/keystone.conf
index 154d6259a4..2e0c0db449 100644
--- a/doc/common/samples/keystone.conf
+++ b/doc/common/samples/keystone.conf
@@ -1,5 +1,5 @@
 [DEFAULT]
-# A "shared secret" between keystone and other openstack services
+# A "shared secret" between keystone and other OpenStack services
 # admin_token = ADMIN
 
 # The IP address of the network interface to listen on