diff --git a/main/manager-mobile/src/i18n/en.ts b/main/manager-mobile/src/i18n/en.ts
index a50eeba0..4d811fbc 100644
--- a/main/manager-mobile/src/i18n/en.ts
+++ b/main/manager-mobile/src/i18n/en.ts
@@ -148,7 +148,7 @@ export default {
   'device.lastConnected': 'Last Conversation',
   'device.otaUpdate': 'OTA Update',
   'device.unbind': 'Unbind',
-  'device.confirmUnbind': 'sure',
+  'device.confirmUnbind': 'Sure',
   'device.bindDevice': 'Bind New Device',
   'device.deviceType': 'Device Type',
   'device.loading': 'Loading...',