Add doc string to DE sizing method

piker/ui/_window.py

@@ -273,7 +273,16 @@ class MainWindow(QtGui.QMainWindow):
     def configure_to_desktop(
         self,
         size: Optional[tuple[int, int]] = None,
+
     ) -> None:
+        '''
+        Explicitly size the window dimensions (for stacked window
+        managers).
+
+        For tina systems (like windoze) try to do a sane window size on
+        startup.
+
+        '''
         # https://stackoverflow.com/a/18975846
         if not size and not self._size:
             app = QtGui.QApplication.instance()