You may add a section Entitled `` Endorsements '' , provided it contains nothing but endorsements of your Modified Version by various parties -- for example , statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard . You may add a section Entitled `` Endorsements '' , provided it contains nothing but endorsements of your Modified Version by various partiesâ '' for example , statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard .