diff --git a/ClearURLs for uBo/compile.py b/ClearURLs for uBo/compile.py
index c24638853..89639c879 100644
--- a/ClearURLs for uBo/compile.py	
+++ b/ClearURLs for uBo/compile.py	
@@ -33,7 +33,9 @@ HEAD = """\
 ! Homepage: https://github.com/DandelionSprout/adfilt/discussions/163
 ! Last updated: {date}
 ! Expires: 1 day
+! Licence: https://github.com/DandelionSprout/adfilt/blob/master/LICENSE.md
 ! Note: This was based off of https://gist.github.com/rusty-snake/5cd83a87d680ecbd03e79a1a06758207, which is based off of https://github.com/ClearURLs/Rules. The maintainers of Adfilt (DandelionSprout and iam-py-test, and contributors) have made some modifications as to keep it up-to-date with the source and to fix issues
+! IMPORTANT NOTE: Do not modify this file. This file is autogenerated and therefore any direct edit to it will be undone. Instead, modifications must be made to https://github.com/DandelionSprout/adfilt/blob/master/ClearURLs%20for%20uBo/compile.py or to the upstream ClearURLs rules
 
 """
 KNOWN_BAD_FILTERS = [