Welcome to all new and returning students!
I am happy that after the long break we are resuming learning and I am excited to be learning the material with you.
We will be learning new material in the 6th chapter of Berachot, starting on Berachot 40a, 7 lines up from the bottom of the page, where the gemara discusses the reason the mishna (a few lines above, we’ll review it) included what seems to be an obvious–and unnecessary to state–halacha in the case where one said the incorrect beracha before eating.