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diff --git a/README.md b/README.md
index c948d2e7..84d175c7 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,7 @@ Configuration can be located in `.rr.yaml`
 file ([full sample](https://github.com/roadrunner-server/roadrunner/blob/master/.rr.yaml)):
 
 ```yaml
+# configuration version: https://roadrunner.dev/docs/beep-beep-config/2.x/en
 version: '2.7'
 
 rpc: