diff --git a/app/src/main/res/values-es-rAR/strings.xml b/app/src/main/res/values-es-rAR/strings.xml
index bb9a431e96..0b94cf8b3c 100644
--- a/app/src/main/res/values-es-rAR/strings.xml
+++ b/app/src/main/res/values-es-rAR/strings.xml
@@ -677,6 +677,10 @@
     <string name="snackbar_private_tabs_deleted">Pestañas privadas eliminadas</string>
     <!-- Text for action to undo deleting a tab or collection shown in snackbar -->
     <string name="snackbar_deleted_undo">UNDO</string>
+    <!-- Text for action to undo deleting a tab or collection shown in a11y dialog -->
+    <string name="a11y_dialog_deleted_undo">Deshacer</string>
+    <!-- Text for action to confirm deleting a tab or collection shown in a11y dialog -->
+    <string name="a11y_dialog_deleted_confirm">Confirmar</string>
     <!-- QR code scanner prompt which appears after scanning a code, but before navigating to it
         First parameter is the name of the app, second parameter is the URL or text scanned-->
     <string name="qr_scanner_confirmation_dialog_message">Permitir que %1$s abra %2$s</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 1042ad36fe..03236bd41a 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -690,6 +690,10 @@
     <!-- Text for action to undo deleting a tab or collection shown in snackbar -->
     <string name="snackbar_deleted_undo">撤销</string>
 
+    <!-- Text for action to undo deleting a tab or collection shown in a11y dialog -->
+    <string name="a11y_dialog_deleted_undo">撤销</string>
+    <!-- Text for action to confirm deleting a tab or collection shown in a11y dialog -->
+    <string name="a11y_dialog_deleted_confirm">确认</string>
     <!-- QR code scanner prompt which appears after scanning a code, but before navigating to it
         First parameter is the name of the app, second parameter is the URL or text scanned-->
     <string name="qr_scanner_confirmation_dialog_message">允许 %1$s 打开 %2$s</string>