diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index cdaf2d756f124..b5b4be692f75f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -12663,6 +12663,14 @@ Some features may be unavailable.  Please check that the profile exists and you
         Deny
       </message>
 
+      <!-- Backspace shortcut notification strings -->
+      <message name="IDS_PRESS_ALT_LEFT_TO_GO_BACK" desc="Text displayed in the bubble to explain the keyboard shortcut to go back to the previous web page in history. The accelerators are names of keyboard keys. Please surround the names of the keys (e.g. 'Alt' and '←') in pipe characters so they can be rendered correctly.">
+        Press |<ph name="ACCELERATOR1">$1<ex>Alt</ex></ph>|+|<ph name="ACCELERATOR2">$2<ex>←</ex></ph>| to go back
+      </message>
+      <message name="IDS_PRESS_ALT_RIGHT_TO_GO_FORWARD" desc="Text displayed in the bubble to explain the keyboard shortcut to go forward to the next web page in history. The accelerators are names of keyboard keys. Please surround the names of the keys (e.g. 'Alt' and '→') in pipe characters so they can be rendered correctly.">
+        Press |<ph name="ACCELERATOR1">$1<ex>Alt</ex></ph>|+|<ph name="ACCELERATOR2">$2<ex>→</ex></ph>| to go forward
+      </message>
+
       <!-- Register Protocol Handler Strings -->
       <message name="IDS_REGISTER_PROTOCOL_HANDLER_MAILTO_NAME" desc="A more user friendly way of describing mailto: links.">
         email
diff --git a/ui/strings/ui_strings.grd b/ui/strings/ui_strings.grd
index 4636be95a6bf0..81b0a2c797fad 100644
--- a/ui/strings/ui_strings.grd
+++ b/ui/strings/ui_strings.grd
@@ -509,6 +509,9 @@ need to be translated for each locale.-->
       <message name="IDS_APP_SPACE_KEY" desc="Space bar key">
         Space
       </message>
+      <message name="IDS_APP_ALT_KEY" desc="Alt key">
+        Alt
+      </message>
       <message name="IDS_APP_F1_KEY" desc="F1 key">
         F1
       </message>