-- **Shape** panel contains a shape to be modified. Shape is selected in 3D OCC viewer or object browser. For today it has to be wire or face;
-- **Sub-shapes** panel contains list of sub-shapes which are already included into result. A sub-shape can be deleted from the list or the list can be extended with new shapes selected in the view.
+- **Shape** panel contains the shape to be modified. The shape is selected in 3D OCC viewer or object browser. For today it has to be a wire or a face;
+- **Sub-shapes** panel contains the list of sub-shapes which are already included into result. A sub-shape can be deleted from the list or the list can be extended with new shapes selected in the view.