[parrot/parrot] f9242d: [doc][ci skip] Fix typo

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/parrot/parrot
  Commit: f9242d6a58926e61d440635a14a7b17455a52470
      https://github.com/parrot/parrot/commit/f9242d6a58926e61d440635a14a7b17455a52470
  Author: Bruce Gray <bruce.gray at acm.org>
  Date:   2013-02-19 (Tue, 19 Feb 2013)

  Changed paths:
    M docs/project/release_manager_guide.pod

  Log Message:
  -----------
  [doc][ci skip] Fix typo