diff --git a/isso/js/app/i18n/zh_TW.js b/isso/js/app/i18n/zh_TW.js
index 9bb59fa..20191da 100644
--- a/isso/js/app/i18n/zh_TW.js
+++ b/isso/js/app/i18n/zh_TW.js
@@ -1,8 +1,8 @@
 define({
     "postbox-text": "在此輸入留言（至少3個字元）",
-    "postbox-author": "名稱 (非必填)",
-    "postbox-email": "電子信箱 (非必填)",
-    "postbox-website": "個人網站 (非必填)",
+    "postbox-author": "名稱（非必填）",
+    "postbox-email": "電子信箱（非必填）",
+    "postbox-website": "個人網站（非必填）",
     "postbox-submit": "送出",
 
     "num-comments": "1則留言\n{{ n }}則留言",