diff --git a/_docs/utilities.md b/_docs/utilities.md
index d86283e..bcc67d8 100644
--- a/_docs/utilities.md
+++ b/_docs/utilities.md
@@ -15,3 +15,11 @@ Just like other things in `kemal`, browser redirection is super simple as well.
   end
 ```
 _Make sure to receive `env` as param in defined route's block or you might end-up having compile-time errors._
+
+## Custom Public Folder
+
+Kemal mounts `./public` root path of the project as the default public asset folder. You can change this by using `public_folder`.
+
+```ruby
+  public_folder "path/to/your/folder"
+```