diff --git a/pkg/kubectl/cmd/cmd.go b/pkg/kubectl/cmd/cmd.go
index 7df0f02a2ba..50f442f4ea1 100644
--- a/pkg/kubectl/cmd/cmd.go
+++ b/pkg/kubectl/cmd/cmd.go
@@ -210,6 +210,7 @@ __custom_func() {
     * configmaps (aka 'cm')
     * controllerrevisions
     * cronjobs
+    * customresourcedefinition (aka 'crd')
     * daemonsets (aka 'ds')
     * deployments (aka 'deploy')
     * endpoints (aka 'ep')