diff --git a/bin/freeleaps-cluster-authenticator b/bin/freeleaps-cluster-authenticator
index c19edde9..72bd85d2 100755
--- a/bin/freeleaps-cluster-authenticator
+++ b/bin/freeleaps-cluster-authenticator
@@ -22,7 +22,7 @@ AUTO_INSTALL_KUBELOGIN=${AUTO_INSTALL_KUBELOGIN:-true}
 help() {
   echo "Freeleaps Cluster Authenticator (Version: ${VERSION})"
   echo ""
-  echo "Usage: freeleaps-cluster-authenticator <sub-command>"
+  echo "Usage: [environment-variable=value] freeleaps-cluster-authenticator <sub-command>"
   echo ""
   echo "Sub Commands:"
   echo "    auth,-a,--auth              Setup kubectl for freeleaps cluster with Mathmast account."