diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86fd6b9..8491fff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Changelog
 
-## Renamed to pybatmesh
+## [unreleased][] - 2022-08-03
 
 - Renamed to pybatmesh, to be more clear what the program does
+- code cleanup
 
 ## [v0.5.2][] - 2021-12-10
 
diff --git a/pybatmesh/__init__.py b/pybatmesh/__init__.py
index 3361412..27438f6 100644
--- a/pybatmesh/__init__.py
+++ b/pybatmesh/__init__.py
@@ -42,4 +42,4 @@ given below.
 #
 # In case you forgot to change the version, skip the number
 # and put the next number in the next commit.
-__version__ = "0.5.2a1.dev1"
+__version__ = "0.5.2a2"
diff --git a/pybatmesh/default.py b/pybatmesh/default.py
index c46e03d..ad75309 100644
--- a/pybatmesh/default.py
+++ b/pybatmesh/default.py
@@ -45,6 +45,6 @@ TMP_NET_GLOB = "tmp.*"
 ISSUE_URL = "https://git.disroot.org/pranav/pybatmesh/issues"
 REPORT_BUG_INFO = "If you think this is a bug, report it to " + ISSUE_URL
 
-# Changing this constant will alter not just the behavoiur of pybatmesh,
+# Changing this constant will alter not just the behaviour of pybatmesh,
 # but affect the meaning of Life, the Universe and Everthing
 ANSWER = 42
diff --git a/pybatmesh/log.py b/pybatmesh/log.py
index 113180a..fb7be18 100644
--- a/pybatmesh/log.py
+++ b/pybatmesh/log.py
@@ -19,7 +19,7 @@ log.py
 ------
 
 Initialise the logger for other submodules to import. Do not import any
-submodules here other than naxallnet.config, which is needed to set the
+submodules here other than pybatmesh.config, which is needed to set the
 loglevel and to add the systemd journal handler
 """
 import logging
diff --git a/pybatmesh/scripts.py b/pybatmesh/scripts.py
index 642f6b8..0c3e58a 100644
--- a/pybatmesh/scripts.py
+++ b/pybatmesh/scripts.py
@@ -27,7 +27,6 @@ When run from the commandline, the function main() is called.
 """
 
 import sys
-import time
 from pathlib import Path
 from dasbus.error import DBusError
 from systemd.daemon import notify