diff --git a/src/Content/PlainTextContentStorageHandler.php b/src/Content/PlainTextContentStorageHandler.php
index b1838809d1..e80010caf1 100644
--- a/src/Content/PlainTextContentStorageHandler.php
+++ b/src/Content/PlainTextContentStorageHandler.php
@@ -268,7 +268,6 @@ public function update(VersionId $versionId, Language $language, array $fields):
 	 * Writes the content fields of an existing version
 	 *
 	 * @param array<string, string> $fields Content fields
-	 * @param string $lang Code `'default'` in a single-lang installation
 	 *
 	 * @throws \Kirby\Exception\Exception If the content cannot be written
 	 */