diff --git a/Containers/apache/Dockerfile b/Containers/apache/Dockerfile
index 964c235c..d8fc0410 100644
--- a/Containers/apache/Dockerfile
+++ b/Containers/apache/Dockerfile
@@ -1,6 +1,7 @@
 # syntax=docker/dockerfile:latest
 FROM caddy:2.8.4-alpine AS caddy
 
+# From https://github.com/docker-library/httpd/blob/master/2.4/alpine/Dockerfile
 FROM httpd:2.4.61-alpine3.20
 
 COPY --from=caddy /usr/bin/caddy /usr/bin/caddy