fix grammar back up in -> up by

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

Author: jeswr

shacl12-compact-syntax/index.html

@@ -278,7 +278,7 @@
 
 		<section id="sotd">
 			This specification was started by the RDF Data Shapes WG, was continued within the
-			SHACL Community Group and is now being picked back up in the Data Shapes WG.
+			SHACL Community Group, and is now being picked up by the Data Shapes WG.
 		</section>
 
 		<section class="introductory">