Update threads.mdx (#147)

api-reference/graphql/threads.mdx

@@ -7,7 +7,7 @@ Threads are the core of Plain's data model and equivalent to tickets or conversa
 
 Threads are automatically created when a new email is received but can also be created via the API (when a customer submits a contact form for example).
 
-Threads have a status which can be in either `Todo`, `Snoozed` or `Done` and can only be assigned to one person.
+Threads have [a status](/statuses) and can be assigned to multiple users.
 
 Threads belong to one customer but can contain multiple email threads and customers.