diff --git a/develop/GMapOptim.js b/develop/GMapOptim.js
index 124e883..7a70c29 100644
--- a/develop/GMapOptim.js
+++ b/develop/GMapOptim.js
@@ -1,8 +1,10 @@
-// Example to test the React Reconciler, and even this
-// is 100x faster in development mode, I see no difference
-// with NODE_ENV==='production'
-// so the simple example with same params at ./GMap.js works with same speed
-// works very well
+// Example to test the React Reconciler. This example
+// is 100x faster in development mode,
+// but I see no difference with NODE_ENV==='production'
+// so the simple example with same params at ./GMap.js works with the same speed.
+
+// The idea was to not draw map children on hovers, but subscribe inside children on hover change
+// see ./markers/ReactiveMarker source
 
 import React from 'react';
 import compose from 'recompose/compose';