Slight improvement to offline page security chip info bubble text

Change-Id: I0b4735b38d3bad5c19ae126486011df8144275e2
Reviewed-on: https://chromium-review.googlesource.com/1098027
Commit-Queue: Carlos Knippschild <carlosk@chromium.org>
Reviewed-by: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#566688}

chrome/android/java/strings/android_chrome_strings.grd

@@ -2064,7 +2064,7 @@ To obtain new licenses, connect to the internet and play your downloaded content
         You are viewing an offline copy of this page from <ph name="CREATION_TIME">%1$s<ex>Feb 9, 2016</ex></ph>
       </message>
       <message name="IDS_PAGE_INFO_OFFLINE_PAGE_NOT_TRUSTED_WITH_DATE" desc="Additional message to be shown in the page info bubble, when the offline page shown is not trusted. Also display the offline page creation date.">
-        This page is from <ph name="CREATION_TIME">%1$s<ex>Feb 9, 2016</ex></ph> and may differ from the online version.
+        This offline page is from <ph name="CREATION_TIME">%1$s<ex>Feb 9, 2016</ex></ph> and may differ from the online version.
       </message>
       <message name="IDS_PAGE_INFO_OFFLINE_PAGE_NOT_TRUSTED_WITHOUT_DATE" desc="Additional message to be shown in the page info bubble, when the offline page shown is not trusted. The offline page creation date will not be displayed.">
         This page may differ from the online version.