diff --git a/README.md b/README.md
index 8d32ce1..eb947b1 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,7 @@ What you will need:
 1. Domain or subdomain that points toward your ip. You can use [DuckDNS](duckdns.org) for a free subdomain.
 2. Ports 80 and 443 opened on your router/gateway. Refer to [PortForward.com](https://portforward.com/)
 
+Replace `subdomain.com` with your domain name in the Caddyfile; `knightcrawler/development/docker/Caddyfile`.
 
 ### Run the project