M&S, syntax production error?

RDF M&S document, section 2.2.2, syntax production 17, contains a reference 
to a term "property", for which I cannot find a definition.  I think it 
should be "proertyElt".

(The formal syntax in section 6, production 6.13, uses "properyElt".)

#g
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Graham Klyne
(GK@ACM.ORG)