diff --git a/doc/nitpick-exceptions.txt b/doc/nitpick-exceptions.txt
index 0452a88fd6771293874ca81e7fba4d6e04a6e346..c792d9c3a85d6aff0091ac4e200a5bbee2b7c85c 100644
--- a/doc/nitpick-exceptions.txt
+++ b/doc/nitpick-exceptions.txt
@@ -1,9 +1,12 @@
 py:class bob.bio.base.database.BioFile
 py:class bob.bio.base.database.BioDatabase
-py:class BioFile
 py:class bob.bio.base.database.database.BioDatabase
-py:class BioFileSet
 py:class bob.bio.base.database.file.BioFile
 py:class bob.bio.base.preprocessor.Preprocessor.Preprocessor
 py:class bob.bio.base.extractor.Extractor.Extractor
 py:class bob.bio.base.algorithm.Algorithm.Algorithm
+py:class BioFile
+py:class BioFileSet
+
+# These are not documented at all in Python 2.7, but works for 3.x
+py:exc ValueError