diff --git a/client/coral-framework/hocs/withEmit.js b/client/coral-framework/hocs/withEmit.js
index 46c26c8f6..3a3216c8a 100644
--- a/client/coral-framework/hocs/withEmit.js
+++ b/client/coral-framework/hocs/withEmit.js
@@ -1,14 +1,18 @@
 import React from 'react';
 const PropTypes = require('prop-types');
 
+/**
+ * WithEmit provides a property `emit: (eventName, value)`
+ * to the wrapped component.
+ */
 export default (WrappedComponent) => {
   class WithEmit extends React.Component {
     static contextTypes = {
       eventEmitter: PropTypes.object,
     };
 
-    emit = (eventName, value, context) => {
-      this.context.eventEmitter.emit(eventName, value, context);
+    emit = (eventName, value) => {
+      this.context.eventEmitter.emit(eventName, value);
     };
 
     render() {