diff --git a/.gitignore b/.gitignore
index 0246638..d25d4ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 AUTHORS
 ChangeLog
 cover/
+doc/build/
diff --git a/tox.ini b/tox.ini
index 50b525d..7edbaac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 1.6
-envlist = py34,py27,pypy,pep8
+envlist = docs,pep8,py27,py34
 skipsdist = True
 
 [testenv]