diff --git a/src/i18n/strings/zh_Hant.json b/src/i18n/strings/zh_Hant.json
index 52ca7879d4..c0f5f659a4 100644
--- a/src/i18n/strings/zh_Hant.json
+++ b/src/i18n/strings/zh_Hant.json
@@ -2369,5 +2369,10 @@
     "Verification Request": "驗證請求",
     " (1/%(totalCount)s)": " (1/%(totalCount)s)",
     "Enable cross-signing to verify per-user instead of per-device (in development)": "啟用交叉簽章以驗證每個使者而非每個裝置（開發中）",
-    "Match system theme": "符合系統佈景主題"
+    "Match system theme": "符合系統佈景主題",
+    "%(senderName)s placed a voice call.": "%(senderName)s 撥打了語音通話。",
+    "%(senderName)s placed a voice call. (not supported by this browser)": "%(senderName)s 撥打了語音通話。（不被此瀏覽器支援）",
+    "%(senderName)s placed a video call.": "%(senderName)s 撥打了視訊通話。",
+    "%(senderName)s placed a video call. (not supported by this browser)": "%(senderName)s 撥打了視訊通話。（不被此瀏覽器支援）",
+    "Clear notifications": "清除通知"
 }