diff --git a/0_skeleton/README.md b/0_skeleton/README.md
index 1880bbc..4d2b148 100644
--- a/0_skeleton/README.md
+++ b/0_skeleton/README.md
@@ -1,3 +1,7 @@
-# Reference
+# References
+
+- https://docs.docker.com/compose/gettingstarted/
+
+# Notes
 
 This is an example skeleton to use. Usually combined with Traefik as reverse proxy.