Fix reference to INFRA map.

index.html

@@ -2382,7 +2382,7 @@ <h2>Services</h2>
 data-cite="INFRA#string">string</a>, a <a data-cite="INFRA#string">map</a>, or
 a <a data-cite="INFRA#ordered-set">set</a> composed of one or more <a
 data-cite="INFRA#string">strings</a> and/or <a
-data-cite="INFRA#string">maps</a>. All <a data-cite="INFRA#string">string</a>
+data-cite="INFRA#maps">maps</a>. All <a data-cite="INFRA#string">string</a>
 values MUST be valid <a>URIs</a> conforming to [[RFC3986]] and normalized
 according to the <a data-cite="RFC3986#section-6">Normalization and Comparison
 rules in RFC3986</a> and to any normalization rules in its applicable <a>URI</a>