auth: docs: fix 'underline too short' warning in settings.rst

diff --git a/docs/settings.rst b/docs/settings.rst
index 7d610cddabdc6fa7c45b071cf142e35edae40814..8b37c009f3c23e53c4c13a904b19e545f3fd3d18 100644 (file)
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -406,7 +406,7 @@ See the :ref:`metadata-publish-cdnskey-publish-cds` docs for more information.
 .. _setting-default-soa-content:
 
 ``default-soa-content``
---------------------
+-----------------------
 
 -  String
 -  Default: a.misconfigured.powerdns.server hostmaster.@ 0 10800 3600 604800 3600