diff --git a/src/monger/json.clj b/src/monger/json.clj
index 780d681..c92e71c 100644
--- a/src/monger/json.clj
+++ b/src/monger/json.clj
@@ -2,6 +2,10 @@
   (:import (org.bson.types ObjectId))
   (:require [clojure.data.json :as json]))
 
+;;
+;; API
+;;
+
 (extend-protocol json/Write-JSON
   ObjectId
   (write-json [^ObjectId object out escape-unicode?]