[perl6/specs] 570c49: clarify wording of .combinations(Range)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 570c49c1aa9b21213ee16520fc1d0789348395fe
      
https://github.com/perl6/specs/commit/570c49c1aa9b21213ee16520fc1d0789348395fe
  Author: Larry Wall <la...@wall.org>
  Date:   2013-11-12 (Tue, 12 Nov 2013)

  Changed paths:
    M S32-setting-library/Containers.pod

  Log Message:
  -----------
  clarify wording of .combinations(Range)