Add additional null typehint

ampproject · May 12, 2020 · 82f7b02 · 82f7b02
1 parent a5bb14d
commit 82f7b02
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/common/src/Dom/Document.php b/lib/common/src/Dom/Document.php
@@ -1420,7 +1420,7 @@ public function deduplicateTag($tagName)
         /**
          * Main tag to keep.
          *
-         * @var DOMElement $mainTag
+         * @var DOMElement|null $mainTag
          */
         $mainTag = $tags->item(0);