[perl6/specs] ace089: Fix typo

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: ace089e004fee445759fa61cb380b92580e94a81
      
https://github.com/perl6/specs/commit/ace089e004fee445759fa61cb380b92580e94a81
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2015-07-03 (Fri, 03 Jul 2015)

  Changed paths:
    M S99-glossary.pod

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