diff --git a/README.md b/README.md
index 5eea607..3bb98ca 100644
--- a/README.md
+++ b/README.md
@@ -296,6 +296,12 @@ subdomain of the configured domain, e.g. the `rolling-bees` instance will be
 available at `rolling-bees.haze.example.com`. Additionally, `haze.example.com`
 will automatically point to the last created instance.
 
+Additionally, the proxy allows access to the server containers trough either
+`<instance id>-<service id>.haze.example.com` for a specific instance, or
+`<service-id>.haze.example.com` for the last created instead. For example
+`rolling-bees-mail.haze.example.com` will give access to the smtp4dev web
+interface of the `rolling-bees` instance.
+
 ## Configuration
 
 Configuration is loaded from `~/.config/haze/haze.toml` and has the following