Typo fixed.

Author: davidbritch

DataBindingDemos/DataBindingDemos/DataBindingDemos/RelativeSourceFindAncestorPage.xaml

@@ -18,7 +18,7 @@
                                    VerticalOptions="Center" />
                             <!--
                             In this example, the button's Command property is bound to the DeleteEmployeeCommand in its parent's view model.
-                            Therefore, the PersonViewModel class does not need a reference to its parent, and the DataTemplate isn't dependent
+                            Therefore, the PeopleViewModel class does not need a reference to its parent, and the DataTemplate isn't dependent
                             upon the parent view type.
                             -->
                             <Button Text="Delete"