This won't affect the beer that much. In fact, the difference will probably be un-noticeable.
I shortened the batch size to allow myself to get an extra batch of beer from a 50 pound sack of 2-row.
I just bought a sack of Briess and poured it into storage so it will keep as I use it over the next 5 weeks.
Finally, The Dopplebock looks pretty good. It's been set at 51 degrees for 3 weeks now.
Good Beer To You.