To change the added heading for the item added in the document, please follow the below mentioned steps:
Step 1: Go to “Invoices” >> “Select Invoice” >> Click on “Three dots” >> Click on “Edit”.
Step 2: Select the added heading >> Click on “Edit icon”.
Step 3: “Change/ edit the Heading” and click on “Save icon” >> Click on “Save invoice”.
“You can see the changed/ edited heading on the invoice”.