diff --git a/src/i18n/strings/zh_Hant.json b/src/i18n/strings/zh_Hant.json
index 12e1cfd64c..8b0c17a72a 100644
--- a/src/i18n/strings/zh_Hant.json
+++ b/src/i18n/strings/zh_Hant.json
@@ -3253,5 +3253,8 @@
     "View in room": "在聊天室中檢視",
     "Enter your Security Phrase or <button>use your Security Key</button> to continue.": "輸入您的安全密語或<button>使用您的安全金鑰</button>以繼續。",
     "The email address doesn't appear to be valid.": "電子郵件地址似乎無效。",
-    "What projects are your team working on?": "您的團隊正在從事哪些專案？"
+    "What projects are your team working on?": "您的團隊正在從事哪些專案？",
+    "That e-mail address is already in use.": "該電子郵件地址已在使用中。",
+    "See room timeline (devtools)": "檢視聊天室時間軸（開發者工具）",
+    "Developer mode": "開發者模式"
 }