diff --git a/frontend/app/src/i18n/tw/components/activities/modals/editActivityModalComponent.json b/frontend/app/src/i18n/tw/components/activities/modals/editActivityModalComponent.json
index 4ad5dfe58..3e34ed9d8 100644
--- a/frontend/app/src/i18n/tw/components/activities/modals/editActivityModalComponent.json
+++ b/frontend/app/src/i18n/tw/components/activities/modals/editActivityModalComponent.json
@@ -1,6 +1,6 @@
 {
-  "modalEditActivityTitle": "Edit activity",
-  "modalEditActivityDescriptionLabel": "Description",
+  "modalEditActivityTitle": "編輯活動",
+  "modalEditActivityDescriptionLabel": "說明",
   "modalEditActivityDescriptionPlaceholder": "Description (max 2500 characters)",
   "modalEditActivityPrivateNotesLabel": "Private notes",
   "modalEditActivityPrivateNotesPlaceholder": "Private notes (max 2500 characters)",
@@ -57,6 +57,7 @@
   "modalEditActivityVisibilityOption1": "Followers",
   "modalEditActivityVisibilityOption2": "Private",
   "modalEditActivityIsHiddenLabel": "Is hidden",
+  "modalEditActivityHiddenItemsLabel": "Activity hidden fields",
   "modalEditActivityHideStartTimeLabel": "Hide start time",
   "modalEditActivityHideLocationLabel": "Hide location",
   "modalEditActivityHideMapLabel": "Hide map",