diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 8065425973f9..4c457228031a 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -50,7 +50,8 @@
     More fields may be added in the future, however, in order to comply with GDPR this file should stay as minimal as possible.
 
     When editing this file:
-     * keep the list alphabetically sorted
+     * keep the list alphabetically sorted, check with:
+         nix-instantiate --eval maintainers/scripts/check-maintainers-sorted.nix
      * test the validity of the format with:
          nix-build lib/tests/maintainers.nix