[doc] Stick with quagga.net for consistency (#436)
diff --git a/doc/zebra.8 b/doc/zebra.8
index 558e27b..38ccf1a 100644
--- a/doc/zebra.8
+++ b/doc/zebra.8
@@ -131,6 +131,6 @@
 See
 .BI http://www.zebra.org
 and
-.BI http://www.quagga.org
+.BI http://www.quagga.net
 or the Info file for an accurate list of authors.