-button. Select \b Tolerance which will be used to check
-connections. If you use \b Tolerance more than 1e-07, and gap,
-covered by this tolerance, is detected, edges will be modified to
+button.
+
+It is possible to select wires or edges from objects. To specify sub-shape type, use
+the <b>Object Type</b> radio buttons.
+
+Select \b Tolerance which will be used to check the
+connections. If the \b Tolerance value is more than 1e-07, and a gap
+within this tolerance is detected, the corresponding edges will be modified to
