CBQE-0:fix typo

Change-Id: I5eddf85bcacd1ff41807d4b1a8221b9cc46ea160
Reviewed-on: http://review.couchbase.org/31265
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>