[1.9.x] Fixed spelling -- super set -> superset.

Backport of f8e865d78f9acb1ad976cffffb207d66ff8cef72 from master
This commit is contained in:
Sergey Fedoseev 2016-02-06 09:58:50 +05:00 committed by Tim Graham
parent 23509a895f
commit 2526e452b6