diff --git a/pillar.example b/pillar.example
index 4b0e634..a109d2a 100644
--- a/pillar.example
+++ b/pillar.example
@@ -13,7 +13,7 @@ bind:
     options:
       allow-recursion: '{ any; };'  # Never include this on a public resolver
 
-   # force bind to serve only one protocol. omitting this reverts to binds default of both.
+   # force bind to serve only one IP protocol (ipv4: 4, ipv6: 6). omitting this reverts to binds default of both.
    protocol: 4
 
 bind: