diff --git a/minode/tests/test_message.py b/minode/tests/test_message.py
index 8ba2925..b5b03c5 100644
--- a/minode/tests/test_message.py
+++ b/minode/tests/test_message.py
@@ -1,10 +1,11 @@
+"""Tests for messages"""
 import unittest
 from binascii import unhexlify
 
 from minode import message
 
 
-magic = 0xE9BEB4D9
+MAGIC = 0xE9BEB4D9
 
 # 500 identical peers:
 # import ipaddress
@@ -26,7 +27,7 @@ class TestMessage(unittest.TestCase):
 
     def test_packet(self):
         """Check the packet created by message.Message()"""
-        head = unhexlify(b'%x' % magic)
+        head = unhexlify(b'%x' % MAGIC)
         self.assertEqual(
             message.Message(b'ping', b'').to_bytes()[:len(head)], head)
 
diff --git a/minode/tests/test_process.py b/minode/tests/test_process.py
index bb90a65..34aa1b9 100644
--- a/minode/tests/test_process.py
+++ b/minode/tests/test_process.py
@@ -1,3 +1,4 @@
+"""Blind tests, starting the minode process"""
 import unittest
 import signal
 import subprocess
@@ -42,7 +43,7 @@ class TestProcessProto(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
-        """Ensures that pybitmessage stopped and removes files"""
+        """Ensures that process stopped and removes files"""
         try:
             if not cls._stop_process(10):
                 try:
diff --git a/minode/tests/test_structure.py b/minode/tests/test_structure.py
index 043e5e8..7f7ad58 100644
--- a/minode/tests/test_structure.py
+++ b/minode/tests/test_structure.py
@@ -1,3 +1,4 @@
+"""Tests for structures"""
 import unittest
 import struct
 from binascii import unhexlify