Minor fixes to the menu shortcuts.

IPython/frontend/html/notebook/static/js/notebook.js

@@ -159,7 +159,7 b' var IPython = (function (IPython) {'
                 return false;
             } else if (event.which === 72 && that.control_key_active) {
                 // Show keyboard shortcuts = h
-                that.toggle_keyboard_shortcuts();
+                IPython.quick_help.show_keyboard_shortcuts();
                 that.control_key_active = false;
                 return false;
             } else if (that.control_key_active) {

IPython/frontend/html/notebook/templates/notebook.html

@@ -188,7 +188,7 b''
                 <li id="restart_kernel">
                     <div>
                         <span class="wijmo-wijmenu-text">Restart</span>
-                        <span class="wijmo-wijmenu-icon-right">Ctrl+m s</span>
+                        <span class="wijmo-wijmenu-icon-right">Ctrl+m .</span>
                     </div>
                 </li>
             </ul>