Fix Python 3 incompatibility.

[python-bulletml.git] / README.txt

diff --git a/README.txt b/README.txt
index 238cce1..b64221c 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -24,6 +24,9 @@ respawn the bullet pattern, and Enter to restart it.
 
 Installing
 ----------
+BulletML requires Python 2.6 or later. It should work on Python 3. It
+has no dependencies outside the CPython standard library.
+
 $ ./setup.py build
 $ sudo ./setup.py install