diff --git a/lib/executor.js b/lib/executor.js
index 2a219f8..e8fb94f 100644
--- a/lib/executor.js
+++ b/lib/executor.js
@@ -34,6 +34,12 @@ function Executor () {
 }
 
 
+/**
+ * @param {Object} options
+ *                 options.this - Object to use as this
+ *                 options.fn - Function to execute
+ *                 options.arguments - Array of arguments
+ */
 Executor.prototype.push = function () {
   this.queue.push.apply(this, arguments);
 };