diff --git a/docs/configuration.md b/docs/configuration.md
index 5e26c87caa..464b0bb222 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -1397,7 +1397,7 @@ The fields are documented in the [Rocketchat API api models](https://github.com/
 [ msg: <tmpl_string> ]
 ```
 
-#### `<slack_config>`
+### `<slack_config>`
 
 Slack notifications can be sent via [Incoming webhooks](https://api.slack.com/messaging/webhooks) or [Bot tokens](https://api.slack.com/authentication/token-types).