diff --git a/docs/utils/slug.md b/docs/utils/slug.md
index 87a6590..fa1f79f 100644
--- a/docs/utils/slug.md
+++ b/docs/utils/slug.md
@@ -1 +1,3 @@
 # Slug
+
+Murph requires [`cocur/slugify`](https://github.com/cocur/slugify). See the [official documentation](https://github.com/cocur/slugify) on Github.