small fixes

Author: pbauer

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

@@ -26,12 +26,12 @@ Plone provides a form `/@@migrate_to_volto` that allows you to run all the requi
 
 You can access this form in the browser when you are logged-in as an administrator by opening `http://localhost:8080/Plone/@@migrate_to_volto` (where `localhost` is your server, `8080` the port that Plone is running on and `Plone` is the name of the Plone instance).
 
-After upgrading an existing site to Plone 6 (see {doc}`v60`) there will also appear a message **You can prepare your site for Volto, the default frontend of Plone 6!** with a link to that form.
+Additionally, after upgrading an existing site to Plone 6 (see {doc}`v60`) a message will appear, **You can prepare your site for Volto, the default frontend of Plone 6!**, with a link to that form.
 
 ```{warning}
 Test all migrations thoroughly before applying them on a production environment!
 
-A site that is make compatible with Volto will be accessible with Plone Classic UI, but it will behave differently.
+A site that is made compatible with Volto will be accessible with Plone Classic UI, but it will behave differently.
 For example, editors can only effectively work with the content using Volto because html is no longer editable in the TinyMCE editor.
 ```