diff --git a/doc/nitpick-exceptions.txt b/doc/nitpick-exceptions.txt
index 635fc7d6aa4135600d0e928d58e3934ef7b44f3b..3cb8398e9844b134579dce572466e944b28efdf5 100644
--- a/doc/nitpick-exceptions.txt
+++ b/doc/nitpick-exceptions.txt
@@ -1,4 +1,6 @@
 # These are not documented at all in Python 2.7, but works for 3.x
+py:obj list
+py:class list
 py:exc TypeError
 py:exc ValueError
 py:exc AssertionError