1 files changed, 6 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index cae9c745..c3ea462b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,3 +1,9 @@
+# Note: Run "python bootstrap.py" before running Tox, to generate metadata.
+#
+# To run Tox against all supported Python interpreters, you can set:
+#
+# export TOXENV='py2{6,7},py3{3,4,5,6},pypy'
+
 [testenv]
 deps=-rtests/requirements.txt
 passenv=APPDATA USERPROFILE HOMEDRIVE HOMEPATH windir APPVEYOR