diff --git a/src/_brew b/src/_brew
index 1a94ead..13304dd 100644
--- a/src/_brew
+++ b/src/_brew
@@ -63,6 +63,7 @@ _1st_arguments=(
   'remove:remove a formula'
   'search:search for a formula (/regex/ or string)'
   'server:start a local web app that lets you browse formulae (requires Sinatra)'
+  'services:manage background services via launchctl'
   'tap:tap a new formula repository from GitHub, or list existing taps'
   'test:a few formulae provide a test method'
   'unlink:unlink a formula'