--- a/testing/marionette/prefs/marionette.js
+++ b/testing/marionette/prefs/marionette.js
@@ -1,18 +1,18 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 /* global pref */
 
-// Marionette is the remote protocol that lets OOP programs communicate
-// with, instrument, and control Gecko.
+// Marionette is the remote protocol that lets OOP programs
+// communicate with, instrument, and control Gecko.
 
-// Controls whether the Marionette component is enabled.
+// Starts and stops the Marionette server.
 pref("marionette.enabled", false);
 
 // Delay server startup until a modal dialogue has been clicked to
 // allow time for user to set breakpoints in Browser Toolbox.
 pref("marionette.debugging.clicktostart", false);
 
 // Marionette logging verbosity.  Allowed values are "fatal", "error",
 // "warn", "info", "config", "debug", and "trace".