Small wording tweak

docs/_docs/06-01-migrating-4.md

@@ -4,7 +4,7 @@ permalink: /migration/4/
 ---
 
 Since our `v3.*` release, this is the most significant set of changes introduced
-into Talk yet as a major database migration, and template change is required to
+into Talk so far, as a major database migration and template change are both required to
 run it.
 
 ## Dependencies
@@ -77,4 +77,4 @@ served out of a `/static` prefix, so you will have to change your embed code:
 ```https://your-talk-url.com/static/embed.js```
 
 This should be changed in your embed code on the site where you are embedding
-Talk.
+Talk.