diff --git a/docs/settings.rst b/docs/settings.rst
index 7b0eafc8f6e2..acba09dfc0fc 100644
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -576,7 +576,7 @@ set, DNSKEY, CDS and CDNSKEY records in the zonefiles are ignored.
 .. _setting-direct-dnskey-signature:
 
 ``direct-dnskey-signature``
------------------
+---------------------------
 
 -  Boolean
 -  Default: no