diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index f0cfd2b01a205..473796a6b6505 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -2794,6 +2794,9 @@
     <!-- [CHAR LIMIT=200] Body of notification that is shown when performing a system upgrade. -->
     <string name="android_upgrading_notification_body">Some apps may not work properly until the upgrade finishes</string>
 
+    <!-- [CHAR LIMIT=40] Toast that is shown when an app is still upgrading. -->
+    <string name="app_upgrading_toast"><xliff:g id="application">%1$s</xliff:g> is upgrading\u2026</string>
+
     <!-- [CHAR LIMIT=NONE] Message shown in upgrading dialog for each .apk that is optimized. -->
     <string name="android_upgrading_apk">Optimizing app
         <xliff:g id="number" example="123">%1$d</xliff:g> of