diff --git a/components/page_info_strings.grdp b/components/page_info_strings.grdp
index b0244edc..57c5b58e 100644
--- a/components/page_info_strings.grdp
+++ b/components/page_info_strings.grdp
@@ -693,9 +693,15 @@
   <message name="IDS_PAGE_INFO_ABOUT_THIS_SITE_HEADER" desc="The header label of the 'About this site' subpage in Page Info bubble.">
     From the web
   </message>
+  <message name="IDS_PAGE_INFO_ABOUT_THIS_PAGE_TITLE" desc="The title of the 'About this page' row in the Page Info bubble.">
+    About this page
+  </message>
   <message name="IDS_PAGE_INFO_ABOUT_THIS_SITE_TOOLTIP" desc="The tooltip of the button that opens 'About this site' subpage in Page Info bubble.">
     Show information from the web
   </message>
+  <message name="IDS_PAGE_INFO_ABOUT_THIS_PAGE_TOOLTIP" desc="The tooltip of the button that opens 'About this page' details in Page Info bubble.">
+    Learn about this page's source &amp; topic
+  </message>
   <message name="IDS_PAGE_INFO_ABOUT_THIS_SITE_SUBPAGE_FROM_LABEL" desc="The label containing the source of the description in the 'About this site' subpage in Page Info bubble.">
     From <ph name="SOURCE_NAME">$1<ex>Wikipedia</ex></ph>
   </message>