Fix markdown link in service-create reference docs
Markdown nested in a HTML table doesn't work, so changing
the link to a plain HTML link.
@@ -294,8 +294,9 @@ volumes in a service:
<td>
<p>The type of mount, can be either <tt>volume</tt>, <tt>bind</tt>, or <tt>tmpfs</tt>. Defaults to <tt>volume</tt> if no type is specified.
<ul>
- <li><tt>volume</tt>: mounts a [managed volume](volume_create.md) into the container.</li>
- <li><tt>bind</tt>: bind-mounts a directory or file from the host into the container.</li>
+ <li><tt>volume</tt>: mounts a <a href="https://docs.docker.com/engine/reference/commandline/volume_create/">managed volume</a>
+ into the container.</li> <li><tt>bind</tt>:
+ bind-mounts a directory or file from the host into the container.</li>
<li><tt>tmpfs</tt>: mount a tmpfs in the container</li>
</ul></p>
</td>
