Address grammar point

Author: ajnelson-nist

shacl12-overview/index.html

@@ -433,7 +433,7 @@ <h2>SHACL-SHACL</h2>
 				The <a href="https://www.w3.org/groups/wg/data-shapes/">Data Shapes Working Group</a> maintains SHACL graphs that can be used to validate other SHACL Shapes graphs, called "SHACL-SHACL". There is more than one to allow for the validation of subsets of the total body of SHACL elements defined in the various SHACL specifications.
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-				Each SHACL-SHACL graph correspond to the scope of individual SHACL specifications and are available as RDF resources:
+				Each SHACL-SHACL graph corresponds to the scope of individual SHACL specifications and are available as RDF resources:
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