Show proper message in about Chrome OS page

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Chrome OS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
@@ skipping 5766 matching lines @@
   </message>
   <message name="IDS_UPGRADE_DISALLOWED" desc="Status label: Upgrade disallowed for the current network">
     You are currently connected to the <ph name="NETWORK_TYPE">$1<ex>mobile</ex></ph> network.
   </message>
   <message name="IDS_UPGRADE_NETWORK_LIST_CELLULAR_ALLOWED" desc="Status label: for updates you need to connect to an Ethernet, Wi-Fi or mobile data">
     To check for updates, please use Ethernet, Wi-Fi or mobile data.
   </message>
   <message name="IDS_UPGRADE_NETWORK_LIST_CELLULAR_DISALLOWED" desc="Status label: for updates you need to connect to an Ethernet or Wi-Fi">
     To check for updates, please use Ethernet or Wi-Fi.
   </message>
+  <message name="IDS_UPGRADE_NETWORK_LIST_CELLULAR_ALLOWED_NOT_AUTOMATIC" desc="Status label: for automatic updates you need to connect to an Ethernet or Wi-Fi">
+    Automatic updates only happen over Ethernet or Wi-Fi.
+  </message>
 
   <!-- EOL Notification Strings -->
   <message name="IDS_ABOUT_PAGE_EOL_EOL" desc="The message in the about page to inform the user that software updates for this device are no longer available.">
     Software updates for this device are no longer available.
   </message>
   <message name="IDS_ABOUT_PAGE_EOL_LEARN_MORE" desc="The message in the about page to provide more information of device end of life, containing the URLs.">
      Please consider upgrading. <ph name="BEGIN_LINK_EOL">&lt;a target="_blank" href="$1"&gt;</ph>Learn more<ph name="END_LINK_EOL">&lt;/a&gt;</ph>
   </message>
   <message name="IDS_EOL_NOTIFICATION_TITLE" desc="Notification title shown to inform the user that this device is no longer supported.">
     This device is no longer supported
@@ skipping 933 matching lines @@
     Attempts left: $1
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PIN" desc="The Provider Identification Number abbreviation">
     PIN
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PUK" desc="The Personal Unlocking Key (as used in mobile phones) abbreviation">
     PUK
   </message>
 
 </grit-part>