diff --git a/StrongBox/ru/Localizable.strings b/StrongBox/ru/Localizable.strings
index 1c7b50f5f..18dcb4b16 100644
--- a/StrongBox/ru/Localizable.strings
+++ b/StrongBox/ru/Localizable.strings
@@ -2548,7 +2548,7 @@
 "mac_select_key_file" = "Выберите ключевой файл";
 
 /* You must use at least a Password or a Key File */
-"mac_you_must_use_at_least_a_password_or_key_file" = "Вы должны использовать как минимум пароль или ключевой файл";
+"mac_you_must_use_at_least_a_password_or_key_file" = "You must at least one of either a Password, Key File or YubiKey for your master credentials.";
 
 /* Password cannot be Empty */
 "mac_password_cannot_be_empty" = "Пароль не может быть пустым";
@@ -2849,3 +2849,39 @@
 
 /* Unknown (Translators Note: Used when generally when something can't be determined, e.g. The URL or file name of a database, or the type of storage provider used, or the format of a newly opened database etc.)*/
 "generic_unknown" = "Неизвестный";
+
+/* Valid Credentials */
+"mac_valid_credentials" = "Valid Credentials";
+
+/* Could not get challenge response from Yubikey */
+"mac_error_getting_challenge_response_yubikey" = "Could not get challenge response from Yubikey";
+
+/* Refreshing... (Translators Note: Used whenever running a fairly short operation to indicate somehting is happening, e.g. when polling YubiKey status (can take a few seconds)) */
+"generic_refreshing_ellipsis" = "Refreshing...";
+
+/* Could not generate Composite Key */
+"mac_error_could_not_generate_composite_key" = "Could not generate Composite Key";
+
+/* None */
+"generic_none" = "Отсутствует";
+
+/* YubiKey (Pro Only) */
+"mac_lock_screen_yubikey_popup_menu_yubico_pro_only" = "YubiKey (Pro Only)";
+
+/* Yubikey Slot %ld (Touch Required) - (Translators Note: Some YubiKey devices/configurations require the user to touch or press a button to authenticate. This string also takes a numeric parameter indicating which slot on the device is to be used, usually slot 1 or slot 2) */
+"mac_yubikey_slot_n_touch_required_fmt" = "Yubikey Slot %ld (Touch Required)";
+
+/* Yubikey Slot %ld (Translators Note: This string takes a numeric parameter indicating which slot on the device is to be used, usually slot 1 or slot 2) */
+"mac_yubikey_slot_n_fmt" = "Yubikey Slot %ld";
+
+/* No YubiKeys Found */
+"mac_no_yubikeys_found" = "No YubiKeys Found";
+
+/* Yubikey %@ Slot %ld (Touch Required) - (Tranlators Note: 1st Parameter is a serial number like 11255332 and the 2nd Parameter is the Slot number, usualy 1 or 2). Touch required means a physical action by the user pressing or touching the device is required. */
+"mac_yubikey_serial_number_slot_n_touch_required_fmt" = "Yubikey %@ Slot %ld (Touch Required)";
+
+/* Yubikey %@ Slot %ld  - (Tranlators Note: 1st Parameter is a serial number like 11255332 and the 2nd Parameter is the Slot number, usualy 1 or 2) */
+"mac_yubikey_serial_number_slot_n_fmt" = "Yubikey %@ Slot %ld";
+
+/* YubiKey found but no compatible HMACSHA1 slots available */
+"mac_yubikey_available_but_no_compatible_slots" = "YubiKey found but no compatible HMACSHA1 slots available";