diff --git a/inventory/sample/group_vars/all.yml b/inventory/sample/group_vars/all.yml
index 12d22eb..e6cec5f 100644
--- a/inventory/sample/group_vars/all.yml
+++ b/inventory/sample/group_vars/all.yml
@@ -82,6 +82,7 @@ proxmox_lxc_ct_ids:
   - 203
   - 204
 
+# Only enable this if you have set up your own container registry to act as a mirror / pull-through cache
 # (harbor / nexus / docker's official registry / etc).
 # Can be beneficial for larger dev/test environments (for example if you're getting rate limited by docker hub),
 # or air-gapped environments where your nodes don't have internet access after the initial setup
@@ -121,4 +122,4 @@ custom_registries_yaml: |
         username: yourusername
         password: yourpassword
 
-verify_config: true
\ No newline at end of file
+verify_config: true