typo fixed.
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS
Merge branch 'master' of https://github.com/bjlee72/IRIS