Fix typo in Main Sidebar Component (#2521)

docs/components/main-sidebar.md

@@ -120,4 +120,4 @@ You can add this code above user-panel or nav-sidebar:
 > You can also use `.text-sm` on `.nav-sidebar` or `.brand-link` for smaller font.
 {: .quote-info}
 
-For more infromation about the JS part of the sidebar, please visit the [PushMenu plugin page]({% link javascript/push-menu.md %})
+For more information about the JS part of the sidebar, please visit the [PushMenu plugin page]({% link javascript/push-menu.md %})