Edit Website SF -> M
Go to Magento Admin panel - Stores - All Stores
Click “Sync Websites with Salesforce“ button
Go to Salesforce org - Apps - Magento Websites
check all Websites were synchronized
Edit some website (New4 for example)
Change Magento Website Name and Code
click Save button
Click “Sync with Magento“ - Send data to Magento button
Go to Magento Admin panel - Stores - All Stores
Check Website Name and Code were changed