changed comment in presplit.py
changed comment in presplit.py

rueckstiess/mtools,parkhyeonghwa/mtools,corymintz/mtools,aerrami/mtools,tomzhang/mtools,yaowenqiang/mtools,ces0712/mtools,aerrami/mtools,corymintz/mtools,tomzhang/mtools,ces0712/mtools,parkhyeonghwa/mtools,rueckstiess/mtools,corymintz/mtools,parkhyeonghwa/mtools,yaowenqiang/mtools,aerrami/mtools,gormanb/mtools,devkev/mtools,yaowenqiang/mtools,devkev/mtools,ces0712/mtools,devkev/mtools,gormanb/mtools,gormanb/mtools,tomzhang/mtools