Doc: Fix broken link to maas docs (#14450)

Fixes a broken link that's causing causing [a test to
fail](https://github.com/canonical/lxd/actions/runs/11769759482/job/32781226116).

doc/howto/initialize.md

@@ -26,7 +26,7 @@ Clustering (see {ref}`exp-clustering` and {ref}`cluster-form`)
   The default answer is `no`, which means clustering is not enabled.
   If you answer `yes`, you can either connect to an existing cluster or create one.
 
-MAAS support (see [`maas.io`](https://maas.io/) and [MAAS - Setting up LXD for VMs](https://maas.io/docs/setting-up-lxd-for-vms))
+MAAS support (see [`maas.io`](https://maas.io/) and [MAAS - Setting up LXD for VMs](https://maas.io/docs/how-to-use-lxd-vms))
 : MAAS is an open-source tool that lets you build a data center from bare-metal servers.
 
   The default answer is `no`, which means MAAS support is not enabled.