1.2 Normative References reads in part:

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[RFC3986] T.Berners-Lee et al, Uniform Resource Identifiers (URI): Generic Syntax, August 1998, http://www.ietf.org/rfc/rfc3986.txt.
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The correct citation reads:

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Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform Resource Identifier (URI): Generic Syntax", STD 66, RFC 3986, DOI 10.17487/RFC3986, January 2005, <http://www.rfc-editor.org/info/rfc3986>.
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