puffing

noun | \ ˈpə-fiŋ \ | puff·ing

1. : the practice of making exaggerated commendations especially for promotional purposes; also : the exaggerated commendations made : the exaggerated commendations made

   Note: Generally, a seller cannot be held liable for misrepresentation for statements that amount to mere puffing. Nor can puffing be considered to create an express warranty.