diff --git a/doc/source/reference/policy-enforcement.rst b/doc/source/reference/policy-enforcement.rst
index 5a008822274e..c6324257a0a7 100644
--- a/doc/source/reference/policy-enforcement.rst
+++ b/doc/source/reference/policy-enforcement.rst
@@ -15,7 +15,7 @@
       under the License.
 
 
-Rest API Policy Enforcement
+REST API Policy Enforcement
 ===========================
 
 Here is a vision of how we want policy to be enforced in nova.