reorder variable to fix portal rendering

Author: kalexand-rh

welcome/oke_about.adoc

@@ -1,9 +1,9 @@
 :_content-type: ASSEMBLY
+:oke: OpenShift Kubernetes Engine
 [id="oke-about"]
 = About {oke}
 include::_attributes/common-attributes.adoc[]
 :context: oke-about
-:oke: OpenShift Kubernetes Engine
 
 As of 27 April 2020, Red Hat has decided to rename Red Hat OpenShift Container Engine to Red Hat {oke}
 to better communicate what value the product offering delivers.