Fix typo in changelog (#1797)
Fix typo in changelog (#1797)


RyanCavanaugh/tslint,nchen63/tslint,IllusionMH/tslint,JoshuaKGoldberg/tslint,mprobst/tslint,RyanCavanaugh/tslint,berickson1/tslint,YuichiNukiyama/tslint,nchen63/tslint,andy-hanson/tslint,nchen63/tslint,IllusionMH/tslint,YuichiNukiyama/tslint,YuichiNukiyama/tslint,IllusionMH/tslint,palantir/tslint,andy-hanson/tslint,andy-ms/tslint,JoshuaKGoldberg/tslint,berickson1/tslint,mprobst/tslint,JoshuaKGoldberg/tslint,andy-hanson/tslint,RyanCavanaugh/tslint,palantir/tslint,mprobst/tslint,berickson1/tslint,palantir/tslint,andy-ms/tslint,andy-ms/tslint