Fixed description in AbstractTask#to_tip.
Fixed description in AbstractTask#to_tip.

rafaspinola/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,xuewenfei/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,rafaspinola/jobsworth,ari/jobsworth,ari/jobsworth,ari/jobsworth,digitalnatives/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,digitalnatives/jobsworth,webstream-io/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth,ari/jobsworth,webstream-io/jobsworth