diff --git a/README.md b/README.md
index 5e5927a2..b12cda12 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,10 @@ Let's start with a simple `helmfile` and gradually improve it to fit your use-ca
 Suppose the `helmfile.yaml` representing the desired state of your helm releases looks like:
 
 ```yaml
+repositories:
+ - name: prometheus-community
+   url: https://prometheus-community.github.io/helm-charts
+
 releases:
 - name: prom-norbac-ubuntu
   namespace: prometheus
@@ -107,4 +111,4 @@ We use:
 
 * [semtag](https://github.com/pnikosis/semtag) for automated semver tagging.
 I greatly appreciate the author(pnikosis)'s effort on creating it and their
-kindness to share it!
\ No newline at end of file
+kindness to share it!