diff --git a/framework/core/js/src/common/helpers/userOnline.tsx b/framework/core/js/src/common/helpers/userOnline.tsx
index 9a3572d18..202f7ef4f 100644
--- a/framework/core/js/src/common/helpers/userOnline.tsx
+++ b/framework/core/js/src/common/helpers/userOnline.tsx
@@ -3,7 +3,7 @@ import User from '../models/User';
 import icon from './icon';
 
 /**
- * The `useronline` helper displays a green circle if the user is online
+ * The `useronline` helper displays a green circle if the user is online.
  */
 export default function userOnline(user: User): Mithril.Vnode<{}, {}> | null {
   if (user.lastSeenAt() && user.isOnline()) {