diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index 00825b2dcb..be218f2f48 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -181,6 +181,8 @@
     <!-- Browser menu button to configure reader mode appearance e.g. the used font type and size -->
     <string name="browser_menu_read_appearance">Giao diện</string>
 
+    <!-- Browser menu button to show reader view appearance controls e.g. the used font type and size -->
+    <string name="browser_menu_customize_reader_view">Tùy chỉnh chế độ đọc</string>
     <!-- Error message to show when the user tries to access a scheme not
         handled by the app (Ex: blob, tel etc) -->
     <string name="unknown_scheme_error_message">Không thể kết nối. Không thể nhận dạng URL.</string>