Changing a milestone
Caution: 
Renaming an existing milestone will cause errors wherever it has already been used, such as in formulas. If you rename a milestone, you must update any references to it throughout your system. 
		
 
	 - Select .
 - In the tree, browse to the milestone that you want to change.
 - Right-click the milestone node and select Open Milestone.
 - Change the information as required.
 - Click .