diff --git a/README.md b/README.md
index 8b24d61..31bf7b8 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # kpadold
-Original Perl version of kpad
+Original Perl version of kpad. Please note this code is very old. It requires Perl and Perl/Tk to run. Works on any platform that can support those.
+
+Version 5.2.1