Fix typo in ChangeLog
Fix typo in ChangeLog

F1000Research/khmer,F1000Research/khmer,ged-lab/khmer,souravsingh/khmer,souravsingh/khmer,ged-lab/khmer,F1000Research/khmer,Winterflower/khmer,ged-lab/khmer,Winterflower/khmer,souravsingh/khmer,Winterflower/khmer