diff --git a/Fastfox.js b/Fastfox.js
index 8f06a5b..adca94e 100644
--- a/Fastfox.js
+++ b/Fastfox.js
@@ -17,7 +17,9 @@
  
 // PREF: initial paint delay
 // How long FF will wait before rendering the page
-// [1] https://kb.mozillazine.org/Nglayout.initialpaint.delay
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1283302
+// [2] https://docs.google.com/document/d/1BvCoZzk2_rNZx3u9ESPoFjSADRI0zIPeJRXFLwWXx_4/edit#heading=h.28ki6m8dg30z
+
 //user_pref("nglayout.initialpaint.delay", 0); // default=5; used to be 250
 //user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5; used to be 250