diff --git a/docs/usage/examples/self-hosting.md b/docs/usage/examples/self-hosting.md
index 9c48e3363bbf79b3bd17fe41d709cb379ae0e8da..515361f27430a7c27ffaa7df4cb992d9f5d8235e 100644
--- a/docs/usage/examples/self-hosting.md
+++ b/docs/usage/examples/self-hosting.md
@@ -95,7 +95,7 @@ stringData:
   RENOVATE_TOKEN: 'your-github-enterprise-renovate-user-token'
 ```
 
-A `config.js` file can be added to the manifest using a `ConfigMap` as shown in the following example (using a "dry run" in github.com):
+A `config.json` file can be added to the manifest using a `ConfigMap` as shown in the following example (using a "dry run" in github.com):
 
 ```yaml
 ---