--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -381,16 +381,18 @@ These should match what Safari and other
 <!ENTITY appMenuRemoteTabs.noclients.title "No synced tabs… yet!">
 <!ENTITY appMenuRemoteTabs.noclients.subtitle "Want to see your tabs from other devices here?">
 <!ENTITY appMenuRemoteTabs.openprefs.label "Sync Preferences">
 <!ENTITY appMenuRemoteTabs.notsignedin.label "Sign in to view a list of tabs from your other devices.">
 <!ENTITY appMenuRemoteTabs.signin.label "Sign in to Sync">
 <!ENTITY appMenuRemoteTabs.managedevices.label "Manage Devices…">
 <!ENTITY appMenuRemoteTabs.sidebar.label "View Synced Tabs Sidebar">
 
+<!ENTITY appMenuRecentHighlights.label "Recent Highlights">
+
 <!ENTITY customizeMenu.addToToolbar.label "Add to Toolbar">
 <!ENTITY customizeMenu.addToToolbar.accesskey "A">
 <!ENTITY customizeMenu.addToPanel.label "Add to Menu">
 <!ENTITY customizeMenu.addToPanel.accesskey "M">
 <!-- LOCALIZATION NOTE (customizeMenu.addToOverflowMenu.label,
      customizeMenu.pinToOverflowMenu.label, customizeMenu.unpinFromOverflowMenu.label)
      The overflow menu is the menu that appears if you click the chevron (>> button)
      in the location bar. These labels are only used in Photon, where you can put