That´s totally ok, DependencyProperties almost always come with such an clr-property wrapper around the actual static representation.
Just have a look at the "propdp" VisualStudio-CodeSnippet, that generates exactly this kind of accessor.
In your case, just look out for a static readonly DependencyProperty:
public static readonly DependencyProperty TextProperty
or simply just hit F1 on the member in question, which should take you to the according ;MSDN-Description