Updated display_banner help message

Refs  #6343

IPython/qt/console/qtconsoleapp.py

@@ -175,7 +175,7 b' class IPythonQtConsoleApp(BaseIPythonApplication, IPythonConsoleApp):'
         help="Use a plaintext widget instead of rich text (plain can't print/save).")
 
     display_banner = CBool(True, config=True,
-        help="Whether to display a banner upon starting IPython."
+        help="Whether to display a banner upon starting the QtConsole."
     )
 
     def _plain_changed(self, name, old, new):