diff --git a/librewolf.cfg b/librewolf.cfg
index fd6c7a5..ba48f0c 100755
--- a/librewolf.cfg
+++ b/librewolf.cfg
@@ -1,7 +1,10 @@
+
 /** LIBREWOLF SETTINGS
  * 
  * please take the time to read and understand, but also to customize the settings to find your own setup.
  * the answers to the most common questions are at this link https://librewolf.net/docs/faq/
+ * 
+ * WARNING: please make sure the first line of this file is empty. this is a known bug.
  */
 defaultPref("librewolf.cfg.version", "5.5");