Update the README file to add a note about gzip-compressed files

diff --git a/README.md.erb b/README.md.erb
index 143be5ec30ac1412e71a68c8d70fc88ed13809c4..afc8a429ce08a23ea1cad144fd9ab7b4f48c02da 100644 (file)
--- a/README.md.erb
+++ b/README.md.erb
@@ -3,6 +3,8 @@ This repository mirrors the blacklists of the [UT1](http://www.ut-capitole.fr) w
 
 __Note__: this repository is only intended to mirror lists, to modify/update them please [contact](#see-also) the maintainer(s)
 
+__Important__: due to [a GitHub restriction](https://docs.github.com/en/repositories/working-with-files/managing-large-files/about-large-files-on-github#file-size-limits) on file sizes, files that are bigger than 100MB are gzip-compressed
+
 ## Lists
 | Name | Size | Description |
 |:-----|:-----|:------------|