Update multi-namespace.md

#976

Author: mich-elle-luna

content/operate/kubernetes/re-clusters/multi-namespace.md

@@ -16,7 +16,7 @@ Multiple Redis Enterprise database resources (REDBs) can be associated with a si
 
 To learn more about designing a multi-namespace Redis Enterprise cluster, see [flexible deployment options]({{< relref "/operate/kubernetes/architecture/deployment-options.md" >}}).
 
-{{<warning>}} Multi-namespace installations don't support Active-Active databases (REEADB). Only databases created with the REDB resource are supported in multi-namespace deployments at this time.{{</warning>}}
+{{<warning>}} Multi-namespace installations don't support Active-Active databases (REAADB). Only databases created with the REDB resource are supported in multi-namespace deployments at this time.{{</warning>}}
 
 ## Prerequisites