Revision 266558

Merge r266111 from head:

  Fix typo.  Note that although this file is under contrib, it has diverged
  sufficiently from upstream (including a full whitespace commit and large
  portions rewritten) that this change does not move us further from the
  upstream.

PR:		docs/186608
Submitted by:	Jamie Landeg-Jones <jamie@dyslexicfish.net>