MB-100 fix extra dot in paramete

Change-Id: Ifc1e6dda9e23cf759e22807fbaa5c4e8796fde90
Reviewed-on: http://review.couchbase.org/27054
Reviewed-by: Thuan Nguyen <soccon@gmail.com>
Tested-by: Thuan Nguyen <soccon@gmail.com>