It is important that you keep your Business and contact information up to date.
To update your Business information:
Go to the Dashboard menu
Then click on My profile menu
And select the My Business information from the dropdown submenu
When on the page, click on the Edit information button to open the fields for modification
Edit the details or files you need, and when you are done
Click Update at the bottom of the page.
Make sure to correct the errors if any before leaving the page.
Path: Dashboard > My Profile > Business Data
Et voilà!