To edit password:
Open Google Chrome browser and click Chrome Vault icon located on the toolbar.
The home page is displayed.
Select a saved password to edit.
The Chrome Vault is displayed in edit mode.
Modify the website URL, username, and password.
To save your changes, select Save Password.
The password is updated successfully.
Note: You can also edit and update your password using the Update Password option. For details, see How to update password in Chrome Vault