Update Keywords.php

Author: abetwothree

src/Detectors/Keywords.php

@@ -18,7 +18,7 @@ public function detect(): array
             'og:video:tag',
             'og:book:tag',
             'lp.article:section',
-            'dcterms.subject',
+            'dcterms.subject'
         ];
 
         foreach ($types as $type) {