diff --git a/docs/sources/installation/rhel.rst b/docs/sources/installation/rhel.rst
index a4484afaef..3204af133a 100644
--- a/docs/sources/installation/rhel.rst
+++ b/docs/sources/installation/rhel.rst
@@ -1,6 +1,6 @@
 :title: Requirements and Installation on Red Hat Enterprise Linux
 :description: Please note this project is currently under heavy development. It should not be used in production.
-:keywords: Docker, Docker documentation, requirements, linux, rhel
+:keywords: Docker, Docker documentation, requirements, linux, rhel, centos
 
 .. _rhel: