Copy edits following Mark's updates.
Copy edits following Mark's updates.

tombstone/models,alexgorban/models,cshallue/models,tombstone/models,derekjchow/models,derekjchow/models,tombstone/models,alexgorban/models,alexgorban/models,tombstone/models,cshallue/models,tombstone/models,cshallue/models,derekjchow/models,derekjchow/models,alexgorban/models,derekjchow/models,cshallue/models,tombstone/models,cshallue/models,alexgorban/models