fixes some typos in bdd transformers docs
fixes some typos in bdd transformers docs

pjedrzejewski/Sylius,gseidel/Sylius,Brille24/Sylius,GSadee/Sylius,pjedrzejewski/Sylius,ezecosystem/Sylius,antonioperic/Sylius,mbabker/Sylius,Sylius/Sylius,Arminek/Sylius,foobarflies/Sylius,venyii/Sylius,itinance/Sylius,antonioperic/Sylius,loic425/Sylius,antonioperic/Sylius,foobarflies/Sylius,Zales0123/Sylius,venyii/Sylius,bitbager/Sylius,SyliusBot/Sylius,torinaki/Sylius,NeverResponse/Sylius,pamil/Sylius,foobarflies/Sylius,GSadee/Sylius,pjedrzejewski/Sylius,diimpp/Sylius,SyliusBot/Sylius,SyliusBot/Sylius,kayue/Sylius,Brille24/Sylius,GSadee/Sylius,itinance/Sylius,Arminek/Sylius,101medialab/Sylius,diimpp/Sylius,lchrusciel/Sylius,torinaki/Sylius,NeverResponse/Sylius,gseidel/Sylius,Arminek/Sylius,pamil/Sylius,bitbager/Sylius,diimpp/Sylius,Sylius/Sylius,itinance/Sylius,Brille24/Sylius,lchrusciel/Sylius,torinaki/Sylius,Sylius/Sylius,lchrusciel/Sylius,NeverResponse/Sylius,gseidel/Sylius,venyii/Sylius,Brille24/Sylius,bitbager/Sylius,ezecosystem/Sylius,NeverResponse/Sylius,Zales0123/Sylius,foobarflies/Sylius,101medialab/Sylius,mbabker/Sylius,mbabker/Sylius,venyii/Sylius,pamil/Sylius,kayue/Sylius,loic425/Sylius,gseidel/Sylius,101medialab/Sylius,bitbager/Sylius,torinaki/Sylius,itinance/Sylius,loic425/Sylius,ezecosystem/Sylius,ezecosystem/Sylius,mbabker/Sylius,pjedrzejewski/Sylius,Zales0123/Sylius,kayue/Sylius