doc: Fix warning about incorrect underline length

The recent change for more snmp doc gave us a sphinx error.
Let's clean it up.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/doc/user/snmp.rst b/doc/user/snmp.rst
index 296e6840c723d7e7a29be7d86413b6333bd52ced..d21492624579a0542ee5054252e004997f10034a 100644 (file)
--- a/doc/user/snmp.rst
+++ b/doc/user/snmp.rst
@@ -26,7 +26,7 @@ and as binary package for most Linux distributions.
 .. _net-smtp-configuration:
 
 NET-SNMP configuration
-====================
+======================
 
 Routers with a heavy amount of routes (e.g. BGP full table) might experience
 problems with a hanging vtysh from time to time, 100% CPU on the snmpd or