• On the Details page of the payment you need to edit, scroll down to the bottom of the page and click the Edit Payment button

• In the Payment From section, click the Change Individual (or Change Organization, depending on the original donor type) button 

• In the Payment Now From section search for the correct donor 

• Click the Select button under the correct donor 

• Verify the changes 

• Scroll down and click Save & I'm Done

• The Payment Details screen should now reflect the new donor