Use this procedure to edit values of manual, style-based property set data attached to objects in your drawing. 
- Double-click the object for which you want to edit property set data. 
 
- On the Properties palette, click the Extended Data tab. 
If object-based and style-based property sets are attached to the object, both display on the Extended Data tab. 
  
- Click 
 (Edit style property set data) next to Property Sets From Style. 
  
- On the Edit Property Set Data worksheet, enter new values for the property set data and click OK. 
 
 
- Click OK.