Clearing up a misunderstanding at work

My manager and I had a difficult moment last week. After she described a project plan, I said, ' What I meant was that I'd handle the report, not the presentation.' We both realised there had been a mix-up. ' I may not have been clear enough when we split the tasks,' I told her. She agreed, and said we should clear up who was responsible for what before the deadline. I suggested we get on the same