diff --git a/StrongBox/ja/Localizable.strings b/StrongBox/ja/Localizable.strings
index e5f9e8e4f..dfb047d54 100644
--- a/StrongBox/ja/Localizable.strings
+++ b/StrongBox/ja/Localizable.strings
@@ -5307,3 +5307,6 @@
 
 /* 1 Item Sorted By - L10n note: This is the header of a menu, the menu contains the fields you can sort by. e.g. Title. So this will look like "1 Item Sorted By" for example */
 "sort_menu_header_singular_item_sorted_by" = "1 Item Sorted By";
+
+/* Alphabetic Index */
+"alphabetic_index_menu_item_title" = "Alphabetic Index";