Added comments.

FlatCAMGUI.py

@@ -785,19 +785,29 @@ class GeometryOptionsGroupUI(OptionsGroupUI):
         self.pathconnect_cb = FCCheckBox()
         grid2.addWidget(self.pathconnect_cb, 4, 1)
 
+        # Paint contour
+        contourlabel = QtGui.QLabel("Contour:")
+        contourlabel.setToolTip(
+            "Cut around the perimeter of the polygon\n"
+            "to trim rough edges."
+        )
+        grid2.addWidget(contourlabel, 5, 0)
+        self.contour_cb = FCCheckBox()
+        grid2.addWidget(self.contour_cb, 5, 1)
+
         # Polygon selection
         selectlabel = QtGui.QLabel('Selection:')
         selectlabel.setToolTip(
             "How to select the polygons to paint."
         )
-        grid2.addWidget(selectlabel, 5, 0)
+        grid2.addWidget(selectlabel, 6, 0)
         # grid3 = QtGui.QGridLayout()
         self.selectmethod_combo = RadioSet([
             {"label": "Single", "value": "single"},
             {"label": "All", "value": "all"},
             # {"label": "Rectangle", "value": "rectangle"}
         ])
-        grid2.addWidget(self.selectmethod_combo, 5, 1)
+        grid2.addWidget(self.selectmethod_combo, 6, 1)
 
 
 class CNCJobOptionsGroupUI(OptionsGroupUI):