diff --git a/spacy/tests/tokenizer/test_contractions.py b/spacy/tests/tokenizer/test_contractions.py
index f2c6ee37a..995a405fb 100644
--- a/spacy/tests/tokenizer/test_contractions.py
+++ b/spacy/tests/tokenizer/test_contractions.py
@@ -1,4 +1,7 @@
 # coding: utf-8
+"""Test that tokens are created correctly for contractions."""
+
+
 from __future__ import unicode_literals
 
 import pytest
diff --git a/spacy/tests/tokenizer/test_punct.py b/spacy/tests/tokenizer/test_punct.py
index 06ff0cc8b..4428670d0 100644
--- a/spacy/tests/tokenizer/test_punct.py
+++ b/spacy/tests/tokenizer/test_punct.py
@@ -1,4 +1,7 @@
 # coding: utf-8
+"""Test that open, closed and paired punctuation is split off correctly."""
+
+
 from __future__ import unicode_literals
 
 import pytest