Merge pull request NixOS#270628 from tweag/fileset-blog-post

nixos/doc/manual/release-notes/rl-2311.section.md

@@ -663,7 +663,8 @@ The module update takes care of the new config syntax and the data itself (user
   designed to be easy and safe to use.
 
   This aims to be a replacement for `lib.sources`-based filtering.
-  To learn more about it, see [the tutorial](https://nix.dev/tutorials/file-sets).
+  To learn more about it, see [the blog post](https://www.tweag.io/blog/2023-11-28-file-sets/)
+  or [the tutorial](https://nix.dev/tutorials/file-sets).
 
 - [`lib.gvariant`](https://nixos.org/manual/nixpkgs/unstable#sec-functions-library-gvariant):
   A partial and basic implementation of GVariant formatted strings.