[perl6/specs] 724a50: Fix minor typo

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 724a5030869186d8b2597f57e3ed854609ad5a7d
      
https://github.com/perl6/specs/commit/724a5030869186d8b2597f57e3ed854609ad5a7d
  Author: Paul Cochrane <p...@liekut.de>
  Date:   2015-04-15 (Wed, 15 Apr 2015)

  Changed paths:
    M S04-control.pod

  Log Message:
  -----------
  Fix minor typo