CBQE-0:fix typo

Change-Id: I30a1f664de2555964111981964e498e9175546f4
Reviewed-on: http://review.couchbase.org/29555
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>