Here's an example of how the #OxfordComma can improve clarity.

The photo shows two contented piglets, Truss and Coffey.

The photo shows two contented piglets, Truss, and Coffey. pic.twitter.com/IxSi7uN8cT

— Rachael πŸ˜·πŸ’‰πŸ’‰πŸ’‰πŸ’‰πŸŒπŸ‡ͺπŸ‡ΊπŸ³οΈβ€πŸŒˆ (@R_L_Underwood) September 15, 2022