ash: Improve text of docked mode notification.

The previous text was ambiguous as to whether a system in
docked mode will ever suspend (it will, due to user
inactivity).

BUG=336584

Review URL: https://codereview.chromium.org/148633002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247413 0039d316-1c4b-4281-b951-d872f2087c98

ash/ash_strings.grd

@@ -321,11 +321,11 @@ Press Ctrl+Alt+Z to disable.
       <message name="IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED_NO_INTERNAL" desc="The label used in the tray to show that the current status is extended and the device doesn't have the internal display.">
         Extending screen
       </message>
-      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED" desc="The label used in the tray to show that the current status is docked mode.">
+      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED" desc="The title of the notification indicating that the system is in docked mode.">
         Docked mode
       </message>
-      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED_DESCRIPTION" desc="The label used in the notification body to describe what the docked mode means.">
-        Your Chromebook will stay on while connected to an external display, even with the lid closed.
+      <message name="IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED_DESCRIPTION" desc="The body of the notification indicating that the system is in docked mode.">
+        You can keep using your Chromebook while it's connected to an external display, even with the lid closed.
       </message>
       <message name="IDS_ASH_STATUS_TRAY_DISPLAY_RESOLUTION_CHANGED" desc="The label used in the tray to notify that the display resolution settings has changed.">
         <ph name="DISPLAY_NAME">$1</ph> resolution was changed to <ph name="RESOLUTION">$2</ph>