diff --git a/hosts/fw.cloonar.com/modules/sysbox.nix b/hosts/fw.cloonar.com/modules/sysbox.nix
index 93e1643..c981ff5 100644
--- a/hosts/fw.cloonar.com/modules/sysbox.nix
+++ b/hosts/fw.cloonar.com/modules/sysbox.nix
@@ -2,7 +2,7 @@
 {
   systemd.services.sysbox = {
     description = "Sysbox container runtime";
-    documentation = "https://github.com/nestybox/sysbox";
+    documentation = [ "https://github.com/nestybox/sysbox" ];
     bindsTo = [ "sysbox-mgr.service" "sysbox-fs.service" ];
     after = [ "sysbox-mgr.service" "sysbox-fs.service" ];
     before = [ "docker.service" "containerd.service" ];