docs: dockerd: fix broken link in blockquote area
@@ -1386,7 +1386,7 @@ This is a full example of the allowed configuration options on Linux:
> daemon startup as a flag.
> On systems that use `systemd` to start the Docker daemon, `-H` is already set, so
> you cannot use the `hosts` key in `daemon.json` to add listening addresses.
-> See https://docs.docker.com/engine/admin/systemd/#custom-docker-daemon-options for how
+> See ["custom Docker daemon options"](https://docs.docker.com/config/daemon/systemd/#custom-docker-daemon-options) for how
> to accomplish this task with a systemd drop-in file.
##### On Windows
