--- a/bluetooth.rst	Thu Aug 26 11:14:43 2010 +0300
+++ b/bluetooth.rst	Thu Aug 26 15:09:08 2010 +0300
@@ -1,5 +1,11 @@
 -*- outline -*-
 
+* Specification.
+
+  http://www.bluetooth.com/English/Technology/Building/Pages/Specification.aspx
+                download page
+  http://en.wikipedia.org/wiki/Bluetooth_profile
+
 * Debian.
 
   $ sudo apt-get install bluetooth