diff --git a/lib/heroicons.ex b/lib/heroicons.ex
index 3c8881cea..c9f5d9b60 100644
--- a/lib/heroicons.ex
+++ b/lib/heroicons.ex
@@ -1,6 +1,6 @@
 defmodule Heroicons do
   @moduledoc """
-  Provides precompiled icon compiles from [heroicons.com v2.0.13](heroicons.com).
+  Provides precompiled icon compiles from [heroicons.com v2.0.13](https://heroicons.com).
 
   Heroicons are designed by [Steve Schoger](https://twitter.com/steveschoger)