typo fix and minor thai translation improvement (#39)
typo fix and minor thai translation improvement (#39)

By @wattachai 
tupaschoal/justdelete.me,tupaschoal/justdelete.me,jdm-contrib/justdelete.me,jdm-contrib/justdelete.me,jdm-contrib/justdelete.me,tupaschoal/justdelete.me,jdm-contrib/justdelete.me,tupaschoal/justdelete.me