review fixes

IPython/frontend/qt/console/frontend_widget.py

@@ -370,7 +370,7 b' class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):'
                 sys.exit(0)
             else:
                 # we just got notified of a restart!
-                time.sleep(0.25) # wait 1/4 sec to reest
+                time.sleep(0.25) # wait 1/4 sec to reset
                                  # lest the request for a new prompt
                                  # goes to the old kernel
                 self.reset()

IPython/frontend/qt/console/ipythonqt.py

@@ -33,6 +33,8 b' class MainWindow(QtGui.QMainWindow):'
     
     def __init__(self, frontend, existing=False):
         """ Create a MainWindow for the specified FrontendWidget.
+        
+        If existing is True, then this Window does not own the Kernel.
         """
         super(MainWindow, self).__init__()
         self._frontend = frontend

docs/source/development/messaging.txt

@@ -663,11 +663,13 b' be sent, so the content dict is empty.'
 Message type: ``shutdown_request``::
 
     content = {
+        'restart' : bool # whether the shutdown is final, or precedes a restart
     }
 
 Message type: ``shutdown_reply``::
 
     content = {
+        'restart' : bool # whether the shutdown is final, or precedes a restart
     }
 
 .. Note::