diff --git a/tests/test_tokenize.py b/tests/test_tokenize.py
index 82f92f0..83d7b25 100644
--- a/tests/test_tokenize.py
+++ b/tests/test_tokenize.py
@@ -112,7 +112,7 @@
     return tokenize.Token(token.value, location, type)
 
 
-# Generates an alternating sequence of tokens
+# Generates an alternating sequence of whitespace and non-whitespace
 @composite
 def draw_tokens_list(draw):
     output = []
@@ -194,6 +194,7 @@
     assert tokenize.classify_tokens(input) == tokens
 
 
+# Draw random source code for fuzzing
 @composite
 def draw_source_fuzz(draw):
     strategies = [
@@ -207,6 +208,7 @@
     return input
 
 
+# Test that the tokenize function behaves as we expect
 @given(draw_source_fuzz(), text())
 def test_tokenize_fuzz(source, filename):
     split = tokenize.split_tokens(source)