diff --git a/nixos/modules/services/backup/mysql-backup.nix b/nixos/modules/services/backup/mysql-backup.nix
index 7e6a0b76d08f..7a2e6df8a1be 100644
--- a/nixos/modules/services/backup/mysql-backup.nix
+++ b/nixos/modules/services/backup/mysql-backup.nix
@@ -8,6 +8,7 @@ let
   cfg = config.services.mysqlBackup;
   defaultUser = "mysqlbackup";
 
+  # Newer mariadb versions warn of the usage of 'mysqldump' and recommend 'mariadb-dump' (https://mariadb.com/kb/en/mysqldump/)
   dumpBinary =
     if
       (