README: Specify GPLv2

diff --git a/README b/README
index c7588d0b5559f0677c83939384a2b60b4a94bbca..f2f6538066cc9279e3505183e33f786b68234ba7 100644 (file)
--- a/README
+++ b/README
@@ -10,7 +10,7 @@ WHAT IS MTR?
   quality of the link to each machine.  As it does this, it prints
   running statistics about each machine.
 
-  mtr is distributed under the GNU General Public License. 
+  mtr is distributed under the GNU General Public License version 2.
   See the COPYING file for details.  
 
 INSTALLING