fixed typo into security docimentation
fixed typo into security docimentation

mikeSimonson/dbal,gencer/dbal,BenMorel/dbal,BenMorel/dbal,Tobion/dbal,gencer/dbal,deeky666/dbal,vutung2311/dbal,doctrine/dbal,lcobucci/dbal,mikeSimonson/dbal,deeky666/dbal,stof/dbal,vutung2311/dbal,drieschel/dbal,Tobion/dbal,doctrine/dbal,lcobucci/dbal,stof/dbal,drieschel/dbal