diff --git a/docs/ipv6-rotator.md b/docs/ipv6-rotator.md
index bd17d1d..41a6f77 100644
--- a/docs/ipv6-rotator.md
+++ b/docs/ipv6-rotator.md
@@ -88,6 +88,7 @@ If needed, IPv6 official documentation for Docker is at https://docs.docker.com/
            - subnet: fd01:db8:a::/64
              gateway: fd01:db8:a::1
    ```
+   Note: Don't change the subnet and the gateway. Unless there is a conflict with an existing docker network.
 4. Make sure that you have this line set in `config.yml`:
    ```yaml
    force_resolve: ipv6