Commit 4d942820 for quagga.net

commit 4d942820a8291a8bcb8c6c90425bc52fea1cf5ba
Author: Paul Jakma <paul.jakma@hpe.com>
Date:   Thu Apr 13 17:48:55 2017 +0100

    doc: document that changing bgp distance needs a hard clear of routes

diff --git a/doc/bgpd.texi b/doc/bgpd.texi
index d5aa30c4..da0d24c8 100644
--- a/doc/bgpd.texi
+++ b/doc/bgpd.texi
@@ -104,6 +104,8 @@ so @code{router-id} is set to 0.0.0.0.  So please set router-id by hand.
 @deffn {BGP} {distance bgp <1-255> <1-255> <1-255>} {}
 This command change distance value of BGP.  Each argument is distance
 value for external routes, internal routes and local routes.
+
+To have this command applied to existing routes requires a hard clear.
 @end deffn

 @deffn {BGP} {distance <1-255> @var{A.B.C.D/M}} {}