fixing doc rst error by extending dashes

diff --git a/docs/settings.rst b/docs/settings.rst
index 8f8d2d88b6bb3197ef34e5f3fb2b15c745d49be2..644c8b9dc14e739220b20f475c516cb1a52de4f4 100644 (file)
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -1268,7 +1268,7 @@ Number of AXFR slave threads to start.
 .. _setting-send-signed-notify:
 
 ``send-signed-notify``
-----------
+----------------------
 
 -  Boolean
 -  Default: yes