diff --git a/lib/dirty/dirty.js b/lib/dirty/dirty.js
index <HASH>..<HASH> 100644
--- a/lib/dirty/dirty.js
+++ b/lib/dirty/dirty.js
@@ -2,10 +2,10 @@ var Dirty = exports.Dirty = function() {
   this._docs = {};
 };
 
-Dirty.prototype.set = function(key, val) {
-  this._docs[key] = val;
+Dirty.prototype.set = function(id, val) {
+  this._docs[id] = val;
 };
 
-Dirty.prototype.get = function(key) {
-  return this._docs[key];
+Dirty.prototype.get = function(id) {
+  return this._docs[id];
 };
\ No newline at end of file
Renamed key to id