diff -ruN pom-orig/README pom-new/README
--- pom-orig/README	2008-08-01 14:55:55.000000000 -0700
+++ pom-new/README	2008-08-02 16:03:04.000000000 -0700
@@ -2,9 +2,13 @@
    This is the patch-o-matic-ng distribution by the netfilter project
    (http://www.netfilter.org/)
 
-   As of iptables-1.2.7, patch-o-matic is distributed as a seperate
+   As of iptables-1.2.7, patch-o-matic is distributed as a separate
    package, available from ftp://ftp.netfilter.org/pub/patch-o-matic-ng.
 
+   NOTE: if you are building against an unreleased (snapshot) version
+   of iptables, make sure you have run release.sh in the iptables tree.
+   Otherwise, runme will fail as it won't find the iptables Makefile.
+
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 FOLLOW THESE STEPS: