diff --git a/monorepo/DocumentationIntelligence/DocumentationIntelligence.php b/monorepo/DocumentationIntelligence/DocumentationIntelligence.php
index 847e0e4ae42..a0d1b72455a 100644
--- a/monorepo/DocumentationIntelligence/DocumentationIntelligence.php
+++ b/monorepo/DocumentationIntelligence/DocumentationIntelligence.php
@@ -306,7 +306,7 @@ protected function makeHeadingsTable(): string
 
         $html = '<tr><th>Level</th><th>Heading</th></tr>';
         foreach ($rows as $row) {
-            $html .= "<tr><td>" . implode('</td><td>', $row) . "</td></tr>";
+            $html .= '<tr><td>'.implode('</td><td>', $row).'</td></tr>';
         }
 
         return $html;