i18n

resource/locales/en-US/translation.json

@@ -716,6 +716,7 @@
     "valid_email": "Valid email address is required",
     "existing_email": "The following emails already exist",
     "give_user_admin": "Give {{username}} admin success",
+    "remove_user_admin": "Remove {{username}} admin success",
     "activate_user_success": "Activating {{username}} success",
     "deactivate_user_success": "Deactivating {{username}} success",
     "remove_user_success": "Removing {{username}} success"

resource/locales/ja/translation.json

@@ -700,6 +700,7 @@
     "valid_email": "メールアドレスを入力してください。",
     "existing_email": "以下のEmailはすでに存在しています。",
     "give_user_admin": "{{username}}を管理者に設定しました",
+    "remove_user_admin": "{{username}}を管理者から外しました",
     "activate_user_success": "{{username}}を有効化しました",
     "deactivate_user_success": "{{username}}を無効化しました",
     "remove_user_success": "{{username}}を削除しました"

src/client/js/components/Admin/Users/RemoveAdminForm.jsx

@@ -18,9 +18,11 @@ class RemoveAdminForm extends React.Component {
   }
 
   onClickRemoveAdminBtn() {
+    const { t } = this.props;
+
     try {
       const username = 'gest';
-      toastSuccess(username);
+      toastSuccess(t('user_management.remove_user_admin', { username }));
     }
     catch (err) {
       toastError(err);