diff --git a/quagga.spec b/quagga.spec
index 053b61f..c5165ab 100644
--- a/quagga.spec
+++ b/quagga.spec
@@ -80,14 +80,15 @@ Provides:	routingdaemon = %{version}-%{release}
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %description
-Quagga is a free software that manages TCP/IP based routing
-protocol. It takes multi-server and multi-thread approach to resolve
-the current complexity of the Internet.
+Quagga is free software that operates TCP/IP-based routing protocols. It takes
+a multi-server and multi-threaded approach to resolving the current complexity
+of the Internet.
 
-Quagga supports BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, RIPv2, and RIPng.
+Quagga supports BGP4, BGP4+, BGP4-, IS-IS, OSPFv2, OSPFv3, RIPv1, RIPv2, and
+RIPng.
 
 Quagga is intended to be used as a Route Server and a Route Reflector. It is
-not a toolkit, it provides full routing power under a new architecture.
+not a toolkit; it provides full routing power under a new architecture.
 Quagga by design has a process for each protocol.
 
 Quagga is a fork of GNU Zebra.
@@ -100,7 +101,7 @@ Requires(preun): /sbin/service
 Requires(postun): /sbin/service
 
 %description sysvinit
-The quagga-sysvinit contains SysV initscritps support.
+The quagga-sysvinit contains SysV initscripts support.
 
 %package contrib
 Summary: Contrib tools for quagga