diff --git a/lib/ldclient-rb/integrations/file_data.rb b/lib/ldclient-rb/integrations/file_data.rb
index e371a8f9..1f4662e1 100644
--- a/lib/ldclient-rb/integrations/file_data.rb
+++ b/lib/ldclient-rb/integrations/file_data.rb
@@ -50,7 +50,7 @@ module Integrations
     #       "segments": {
     #         "segment-key-1": {
     #           "key": "segment-key-1",
-    #           "includes": [ "user-key-1" ]
+    #           "included": [ "user-key-1" ]
     #         }
     #       }
     #     }