diff --git a/doc/source/testing.rst b/doc/source/testing.rst
index 690d0dd..b8a5eb0 100644
--- a/doc/source/testing.rst
+++ b/doc/source/testing.rst
@@ -29,7 +29,7 @@
 
 .. note::
 
-    Other available environments are py34, py26, and pypy.
+    Other available environments are py35, py34, pypy and pep8.
 
     If you do not have the appropriate Python versions available, consider
     setting up PyEnv to install multiple versions of Python. See the