diff --git a/pkg/kubectl/cmd/cmd.go b/pkg/kubectl/cmd/cmd.go
index 6da35fd0f89..d3978c8f6cd 100644
--- a/pkg/kubectl/cmd/cmd.go
+++ b/pkg/kubectl/cmd/cmd.go
@@ -172,6 +172,7 @@ __custom_func() {
 	valid_resources = `Valid resource types include:
 
     * all
+    * certificatesigningrequests (aka 'csr')
     * clusters (valid only for federation apiservers)
     * clusterrolebindings
     * clusterroles