minor grammar type fixes (#513143)

livecd-tools.spec

@@ -2,7 +2,7 @@
 
 %define debug_package %{nil}
 
-Summary: Tools for building live CD's
+Summary: Tools for building live CDs
 Name: livecd-tools
 Version: 024
 Release: 1%{?dist}
@@ -25,7 +25,7 @@ BuildRequires: /usr/bin/pod2man
 
 
 %description 
-Tools for generating live CD's on Fedora based systems including
+Tools for generating live CDs on Fedora based systems including
 derived distributions such as RHEL, CentOS and others. See
 http://fedoraproject.org/wiki/FedoraLiveCD for more details.