put (something) straight
To straighten something out or make something properly arranged; to fix, correct, or make amends for something. There are a few details in this contract we need to put straight before I'm ready to sign it. Tom's brother really made a mess of things with the company, but there's still time to put things straight. Sorry I can't come out with you tonight, I've just got to put my marriage straight before I can think of doing anything else.