2014-02-09: note that we need python *3* and guile *2*.

note that we need python *3* and guile *2*.

diff --git a/README b/README
--- a/README
+++ b/README
@@ -20,8 +20,8 @@ Wisp turns indentation based syntax into
 Requirements
 ------------
 
-* [Python][] for bootstrapping
-* [GNU Guile][] for running it
+* [Python 3.x][] for bootstrapping
+* [GNU Guile 2.x][] for running it
 
 [Python]: http://python.org "Python Programming Language"
 [GNU Guile]: http://gnu.org/s/guile "GNU Guile: The official extension language for the GNU operating system."