"Hinder not the honour of his design."
For 'honour' I, with others, have adopted Theobald's correction humour; which, however, is not absolutely certain.
Sc. 7.
"That she'll demand. A ring the county wears."
As this is the only place in the play where 'county' occurs, and as we have had 'the count he' twice already in this scene, I think we ought to read so here also. (See on Twelfth Night, i. 5.)
"Herself most chastely absent. After this."
The 2nd folio added this, which had evidently been effaced.