Fix trivial GUI typo.
TRB should be TBR for "Token Bucket Regulator".(cherry picked from commit e643627c833ce12fa00a682c66929aaad95760eb)
Fix trivial GUI typo.
TRB should be TBR for "Token Bucket Regulator".
(cherry picked from commit e643627c833ce12fa00a682c66929aaad95760eb)