diff --git a/moler/runner_single_thread.py b/moler/runner_single_thread.py
index dc0922e5d..e3b6533d1 100644
--- a/moler/runner_single_thread.py
+++ b/moler/runner_single_thread.py
@@ -462,7 +462,7 @@ def _remove_unnecessary_connection_observers(self):
 
     def _start_command(self, connection_observer):
         """
-        Srart command if connection_observer is an instance of a command. If an instance of event then do nothing.
+        Start command if connection_observer is an instance of a command. If an instance of event then do nothing.
         :param connection_observer: ConnectionObserver
         :return: None
         """
diff --git a/test/cmd/at/test_cmd_at_attach.py b/test/cmd/at/test_cmd_at_attach.py
index 6ab8acbc2..67ee79fa5 100644
--- a/test/cmd/at/test_cmd_at_attach.py
+++ b/test/cmd/at/test_cmd_at_attach.py
@@ -39,13 +39,13 @@ def test_calling_at_cmd_attach_timeouts_on_no_output(buffer_connection):
     import time
     at_cmd_attach = attach.Attach(connection=buffer_connection.moler_connection,
                                   **attach.COMMAND_KWARGS_ver_execute)
-    at_cmd_attach.timeout = 0.5
+    at_cmd_attach.timeout = 0.1
     start_time = time.monotonic()
     with pytest.raises(CommandTimeout):
         at_cmd_attach()
     duration = time.monotonic() - start_time
-    assert duration > 0.5
-    assert duration < 0.7
+    assert duration > 0.1
+    assert duration < 0.3
 
 
 def test_calling_at_cmd_attach_returns_expected_result(buffer_connection):