diff --git a/en/application-dev/reference/apis/js-apis-useriam-userauth.md b/en/application-dev/reference/apis/js-apis-useriam-userauth.md
index 29044d135b43286a8b3df624584750022f6576b8..f555df967ddc3a5f11d498bae739be54d1ad53ad 100644
--- a/en/application-dev/reference/apis/js-apis-useriam-userauth.md
+++ b/en/application-dev/reference/apis/js-apis-useriam-userauth.md
@@ -179,7 +179,7 @@ try {
                 case userIAM_userAuth.FaceTips.FACE_AUTH_TIP_TOO_BRIGHT:
                 // Do something;
                 case userIAM_userAuth.FaceTips.FACE_AUTH_TIP_TOO_DARK:
-                // Do something;
+                // Do something.
                 default:
                 // Do others.
             }