diff --git a/README.md b/README.md
index 0a73d78..4d4db29 100644
--- a/README.md
+++ b/README.md
@@ -45,10 +45,6 @@ Serial PIN: 4 & 6
 [layout of pins](http://techpubs.sgi.com/library/dynaweb_docs/0650/SGI_Admin/books/MUX_IG/sgi_html/figures/4-2.serial.port.con.gif)
 Connecting the palm radio: keep an eye on the grounding :)
 
-
-  http://kob.sdf.org/morsekob/interface.htm#portpins
-
-
   RS232     DB9     Function    
   DTR       4       Manual Key / paddle common
   DSR       6       Manual key / dot paddle