Update docs/configuring-playbook-fluffygate.md

Co-authored-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

docs/configuring-playbook-fluffygate.md

@@ -121,9 +121,9 @@ To make use of your Fluffygate installation:
 If you need to troubleshoot issues:
 
 1. Enable debug logs by setting:
-```yaml
-matrix_fluffygate_debug_logs: true
-```
+    ```yaml
+    matrix_fluffygate_debug_logs: true
+    ```
 
 2. Check the container logs:
 ```bash