docs(instances): simplify difference between build/save and create (#9196)

docs/instances.md

@@ -58,7 +58,7 @@ Task
 
 ## Creating persistent instances
 
-Besides constructing objects, that needs an explicit save call to get stored in the database, there is also the possibility to do all those steps with one single command. It's called `create`.
+While an instance created with `.build()` requires an explicit `.save()` call to be stored in the database, `.create()` omits that requirement altogether and automatically stores your instance's data once called.
 
 ```js
 Task.create({ title: 'foo', description: 'bar', deadline: new Date() }).then(task => {