Update docs for Prometheus: move the description for Docker image compatibility

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/configuring-playbook-prometheus-grafana.md

@@ -73,6 +73,15 @@ If you enable Grafana, a dedicated `NGINX PROXY` Grafana dashboard will be creat
 
 **Note**: nginx is only used internally by this Ansible playbook. With Traefik being our default reverse-proxy, collecting nginx metrics is less relevant.
 
+#### Docker image compatibility (optional)
+
+At the moment of writing only images for `amd64` and `arm64` architectures are available. The playbook currently does not support [self-building](./self-building.md) a container image on other architectures. You can however use a custom-build image by setting:
+
+```yaml
+matrix_prometheus_nginxlog_exporter_docker_image_arch_check_enabled: false
+matrix_prometheus_nginxlog_exporter_docker_image: path/to/docker/image:tag
+```
+
 ### Extending the configuration
 
 There are some additional things you may wish to configure about Prometheus.

docs/configuring-playbook-prometheus-nginxlog.md

@@ -25,15 +25,6 @@ When using an external Prometheus server, you'll need to expose metrics publicly
 
 For password-protection, use or (`matrix_prometheus_nginxlog_exporter_container_labels_metrics_middleware_basic_auth_enabled` and `matrix_prometheus_nginxlog_exporter_container_labels_metrics_middleware_basic_auth_users`).
 
-### Docker Image Compatibility (optional)
-
-At the moment of writing only images for `amd64` and `arm64` architectures are available. The playbook currently does not support [self-building](./self-building.md) a container image on other architectures. You can however use a custom-build image by setting:
-
-```yaml
-matrix_prometheus_nginxlog_exporter_docker_image_arch_check_enabled: false
-matrix_prometheus_nginxlog_exporter_docker_image: path/to/docker/image:tag
-```
-
 ### Extending the configuration
 
 There are some additional things you may wish to configure about the component.