minor doc update
diff --git a/README.markdown b/README.markdown
index dd65557..5edb2b2 100644
--- a/README.markdown
+++ b/README.markdown
@@ -30,6 +30,7 @@ The library is currently less than 400 lines of code. In order to use it in your
* Linux xterm ($TERM = xterm)
* Mac OS X iTerm ($TERM = xterm)
* Mac OS X default Terminal.app ($TERM = xterm)
+ * OpenBSD 4.5 through an OSX Terminal.app ($TERM = screen)
Please test it everywhere you can and report back!