Mucus in baby poop

Baby is 2 months old, breast and bottle fed, and also on famotidine. He has had a little bit of mucus in poop the past couple diapers. I brought it up to the pediatrician and she said it’s normal as long as there isn’t blood or the whole diaper isn’t mucus.

Not trying to ignore what she said but this thick strand of mucus just doesn’t seem normal. Should I call back again, or does this seem normal?