Yes, you can change or modify the account name that you have selected for your voucher.
Steps to change the account name
Step 1: Administration
Step 2: Transaction
Step 3: Sales, then modify
Step 4: Open the voucher.
Step 5: Select the account name [Party] or modify the account name by pressing the shortcut key Alt+M.
To change the voucher caption, follow the below-given steps:
Step 1: Administration
Step 2: Configuration
Step 3: General
Step 4: Change the voucher caption.
Step 5: Configuration
Step 6: Change the caption name.
Step 7: Save