diff --git a/src/main/resources/settings.yml b/src/main/resources/settings.yml
index f7d67c3..f1a6ff8 100644
--- a/src/main/resources/settings.yml
+++ b/src/main/resources/settings.yml
@@ -15,6 +15,8 @@ maxPlayers: 100
 ping:
   description: '{"text": "&9NanoLimbo"}'
   version: 'NanoLimbo'
+  # Return static protocol version number in ping result
+  # https://wiki.vg/Protocol_version_numbers
   protocol: -1
 
 # Available dimensions: OVERWORLD, NETHER, THE_END