diff --git a/lib/tls b/lib/tls
index 7bde5e6496..b7ad644f5c 100644
--- a/lib/tls
+++ b/lib/tls
@@ -487,7 +487,7 @@ EOF
 }
 
 # Starts the TLS proxy for the given IP/ports
-# start_tls_proxy front-host front-port back-host back-port
+# start_tls_proxy service-name front-host front-port back-host back-port
 function start_tls_proxy {
     local b_service="$1-tls-proxy"
     local f_host=$2