diff --git a/refpolicy/INSTALL b/refpolicy/INSTALL
index 1038bae..0b2632c 100644
--- a/refpolicy/INSTALL
+++ b/refpolicy/INSTALL
@@ -1,3 +1,17 @@
+Reference Policy has a requirement of checkpolicy 1.28.  Red Hat 
+Enterprise Linux 4 and Fedora Core 4 RPMs are available on
+the Reference Policy download page at http://serefpolicy.sf.net,
+and can be installed thusly:
+
+Red Hat Enterprise Linux 4:
+
+	rpm -i libsepol-1.11.7-1.i386.rpm
+	rpm -U checkpolicy-1.28-4.i386.rpm
+
+Fedora Core 4:
+
+	rpm -U libsepol-1.11.7-1.i386.rpm checkpolicy-1.28-4.i386.rpm
+
 To install Reference Policy sources into /etc/selinux/refpolicy/src/policy:
 
 	make install-src