diff --git a/Prerequisites.md b/Prerequisites.md
index 2050e95..eef0fcb 100644
--- a/Prerequisites.md
+++ b/Prerequisites.md
@@ -15,7 +15,7 @@ This will generate an application key for you which you need later. The generate
 To make your data persistent, you have to mount `public` and `storage` from your host to your containers.
 
 1. Create two folder on your host, e. g. `/var/invoiceninja/public` and `/var/invoiceninja/storage`
-2. Mount these folders into your container - see [usage](#usage)
+2. Mount these folders into your container - see [`docker-compose.yml`](https://github.com/invoiceninja/dockerfiles/blob/master/docker-compose.yml#L43)
 
 You can create these folders wherever you want on your host system.