Updated docs

lib/index.js

@@ -5,13 +5,13 @@ const iterateObject = require("iterate-object")
     ;
 
 
-/**
+/*!
  * Returns true, if given key is included in the blacklisted
  * keys.
  * @param key key for check, string.
  */
 function isPrototypePolluted(key) {
-  return ['__proto__', 'prototype', 'constructor'].includes(key);
+  return module.exports.blacklistedKeys.includes(key);
 }
 
 /**
@@ -54,3 +54,5 @@ module.exports = function unflattenObject(flatten, separator) {
 
     return result;
 };
+
+module.exports.blacklistedKeys = ["__proto__", "prototype", "constructor"];

package.json

@@ -53,4 +53,4 @@
     "bloggify.json",
     "bloggify/"
   ]
-}
+}