It's a very minor formatting issue, but I might as well point it out.
When looking at the list of people who have earned particular badges, it seems the columns are a bit too narrow for users with high rep and large numbers of badges. This results in the number of bronze badges earned for some users being truncated.
Screenshots from the proofreader badge page below.
In Chrome:
In Firefox:
Internet Explorer 8 (yeah, 8 doesn't really count):