diff --git a/python/pacemaker/_cts/tests/startonebyone.py b/python/pacemaker/_cts/tests/startonebyone.py
index 52e9a71d79..f4f05a5715 100644
--- a/python/pacemaker/_cts/tests/startonebyone.py
+++ b/python/pacemaker/_cts/tests/startonebyone.py
@@ -1,43 +1,49 @@
-""" Test-specific classes for Pacemaker's Cluster Test Suite (CTS)
-"""
+""" Start all stopped nodes serially """
 
 __all__ = ["StartOnebyOne"]
 __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors"
 __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY"
 
 from pacemaker._cts.CTS import NodeStatus
 from pacemaker._cts.tests.ctstest import CTSTest
 from pacemaker._cts.tests.simulstoplite import SimulStopLite
 from pacemaker._cts.tests.starttest import StartTest
 
 
 class StartOnebyOne(CTSTest):
-    '''Start all the nodes ~ one by one'''
+    """ A concrete test that starts all stopped nodes serially """
+
     def __init__(self, cm):
-        CTSTest.__init__(self,cm)
+        """ Create a new StartOnebyOne instance
+
+            Arguments:
+
+            cm -- A ClusterManager instance
+        """
+
+        CTSTest.__init__(self, cm)
         self.name = "StartOnebyOne"
+        self.ns = NodeStatus(cm.Env)
         self.stopall = SimulStopLite(cm)
+
         self._start = StartTest(cm)
-        self.ns = NodeStatus(cm.Env)
 
     def __call__(self, dummy):
-        '''Perform the 'StartOnebyOne' test. '''
-        self.incr("calls")
+        """ Perform this test """
 
-        #        We ignore the "node" parameter...
+        self.incr("calls")
 
-        #        Shut down all the nodes...
         ret = self.stopall(None)
         if not ret:
             return self.failure("Test setup failed")
 
         failed = []
         self.set_timer()
         for node in self._env["nodes"]:
             if not self._start(node):
                 failed.append(node)
 
         if len(failed) > 0:
             return self.failure("Some node failed to start: " + repr(failed))
 
         return self.success()