diff --git a/src/wp-includes/html-api/class-wp-html-tag-processor.php b/src/wp-includes/html-api/class-wp-html-tag-processor.php
index 88487fb068d11..31d03cb81c610 100644
--- a/src/wp-includes/html-api/class-wp-html-tag-processor.php
+++ b/src/wp-includes/html-api/class-wp-html-tag-processor.php
@@ -2208,7 +2208,8 @@ private function parse_next_tag(): bool {
 	 * @since 6.2.0
 	 * @ignore
 	 *
-	 * @return bool Whether an attribute was found before the end of the document.
+	 * @return bool Whether an attribute was found. Returns `false` upon reaching the end
+	 *              of the tag (`>` or `/>`) or the end of the document.
 	 */
 	private function parse_next_attribute(): bool {
 		$doc_length = strlen( $this->html );