Ah, it's hard to explain what I mean, but yeah SB managed to pretty much hit the nail on the head, but I have to go through a bit of history.

Before we knew what electrons were, we already knew that current was the flow of charge, but we didn't know if positive charges were moving or negative charges were moving, so obviously we had to take a guess and we DEFINED conventional current as the flow of positive charge.

So essentially if we have two points, A and B, current flowing from A to B would mean that a proton flies from A to B and hence A becomes negative and B becomes positive. Well this was the case until it was found out later on that in fact, there were no moving positive charges, it was moving NEGATIVE charges.

But conventions are hard to change, so it was decided to be kept that current is the flow of positive charges, thus, when we say current, we say that the current is flowing from A to B (positive to negative) even though the electrons are flowing from B to A.