code: def set_wizard_step_description(self):
          
          subcategory = self.parent.step_kw_subcategory.selected_subcategory()
          field = self.parent.step_kw_field.selected_fields()
          is_raster = is_raster_layer(self.parent.layer)
  
          if is_raster:
              if self.layer_mode == layer_mode_continuous:
                  text_label = multiple_continuous_hazard_classifications_raster
              else:
                  text_label = multiple_classified_hazard_classifications_raster
              # noinspection PyAugmentAssignment
              text_label = text_label % (
                  subcategory['name'], self.layer_purpose['name'])
          else:
              if self.layer_mode == layer_mode_continuous:
                  text_label = multiple_continuous_hazard_classifications_vector
              else:
                  text_label = multiple_classified_hazard_classifications_vector
              # noinspection PyAugmentAssignment
              text_label = text_label % (
                  subcategory['name'], self.layer_purpose['name'], field)
  
          self.multi_classifications_label.setText(text_label)
docs: Set the text for description.