diff --git a/www/common/sframe-common-outer.js b/www/common/sframe-common-outer.js
index 0103cdbaf..153126f7c 100644
--- a/www/common/sframe-common-outer.js
+++ b/www/common/sframe-common-outer.js
@@ -864,6 +864,9 @@ define([
                 Cryptpad.removeLoginBlock(data, cb);
             });
 
+            // It seems we have performance issues when we open and close a lot of channels over
+            // the same network, maybe a memory leak. To fix this, we kill and create a new
+            // network every 30 cryptget calls (1 call = 1 channel)
             var cgNetwork;
             var whenCGReady = function (cb) {
                 if (cgNetwork && cgNetwork !== true) { console.log(cgNetwork); return void cb(); }