diff --git a/README.md b/README.md
index ad50c63..a9f4f65 100644
--- a/README.md
+++ b/README.md
@@ -14,3 +14,5 @@ To use:
 
     docker pull git.cyber.gent/friedkiwi/code-server-mod
     docker run -p8888:8443 git.cyber.gent/friedkiwi/code-server-mod
+
+Based on https://ghcr.io/linuxserver/code-server.