doc: Fix typo.

Signed-off-by: Paulo E. Castro <[email protected]>

Author: pecastro

src/pybind/mgr/dashboard/HACKING.rst

@@ -4,7 +4,7 @@ Ceph Dashboard Developer Documentation
 Note: The content of this file has been moved into the Ceph Developer Guide.
 
 If you're interested in helping with the development of the dashboard, please
-see ``/doc/dev/developer_guide/dash_devel.rst`` or the `online version
+see ``/doc/dev/developer_guide/dash-devel.rst`` or the `online version
 <https://ceph.readthedocs.io/en/latest/dev/developer_guide/dash-devel/>`_ for
 details on how to set up a development environment and other development-related
 topics.