Update docs/backend/upgrading/upgrade-to-volto.md

Co-authored-by: Steve Piercy <[email protected]>

Author: pbauer

docs/backend/upgrading/upgrade-to-volto.md

@@ -108,7 +108,6 @@ It is recommended to use the default settings, but you can choose to skip some o
 
 ```{note}
 If you are migrating an existing site to Plone 6 using [{py:mod}`collective.exportimport`](https://pypi.org/project/collective.exportimport) and want to use Volto in the new site, then you do not need to use the form `@@migrate_to_volto`.
-you do not need to use the form `@@migrate_to_volto`.
 
 All the changes documented above can be done efficiently during export and import.
 [Read details](https://github.com/collective/collective.exportimport/issues/133).