Update shacl12-core/index.html

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

Author: YoucTagh

shacl12-core/index.html

@@ -481,7 +481,7 @@ <h2>Document Outline</h2>
 			</p>
 			<p>
 				The syntax of SHACL is RDF.
-				The examples in this document use Turtle [[rdf12-turtle]], JSON-LD [[json-ld]], and SHACL-C [[shacl12-shacl-c]].
+				The examples in this document use Turtle [[rdf12-turtle]], JSON-LD [[json-ld]], and SHACL-C [[?shacl12-shacl-c]].
 				Other RDF serializations such as RDF/XML may be used in practice.
 				The reader should be familiar with basic RDF concepts [[rdf12-concepts]] such as triples.
 			</p>