diff --git a/docs/hosting-runners.md b/docs/hosting-runners.md
index c41693e..dc990bc 100644
--- a/docs/hosting-runners.md
+++ b/docs/hosting-runners.md
@@ -65,6 +65,7 @@ Or, if you're volunteering another runner for our instance, please contact us to
 ```bash
 # As forgejo-runner
 forgejo-runner generate-config > config.yml
+# You should open the config.yml and enable IPv6 support! (Your cloud host might charge extra for IPv4 connectivity)
 
 # We're about to enter secrets into the terminal, disable history:
 set +o history