Update shacl12-profiling/index.html

Co-authored-by: Ted Thibodeau Jr <[email protected]>

Author: nicholascar

shacl12-profiling/index.html

@@ -354,7 +354,7 @@
 			<h2>Introduction</h2>
 			<p>SHACL Profiling is the act of creating
 			a <a href="https://www.w3.org/TR/dx-prof/#dfn-profile">profile</a>
-			of a <a href="https://www.w3.org/TR/shacl/#dfn-rdf-graph">RDF graphs</a>
+			of an <a href="https://www.w3.org/TR/shacl/#dfn-rdf-graph">RDF graph</a>
 			using SHACL...
 
 			<section id="terminolgy">