\helpref{wxWizardPage}{wxwizardpage} implementation: it just returns the
pointers given to its constructor from GetNext() and GetPrev() functions.
-This makes it very easy to use the obejcts of this class in the wizards where
+This makes it very easy to use the objects of this class in the wizards where
the pages order is known statically - on the other hand, if this is not the
case you must derive your own class from \helpref{wxWizardPage}{wxwizardpage}
instead.