I’ve been working at my current employer for a couple of months now. I haven’t had any issues with any employees but a few days ago, one of my coworkers quit and in her exit interview she said that we discussed wages. When that conversation happened she asked me how much I made and I told her and she was upset because I made more than her, while I had been there a couple of months when she had been working there for 2+ years. My GM just pulled me in to his office and gave me a disciplinary action saying that discussing wages is a “terminable offense” is this true? How do I proceed