diff --git a/src/Forms/Form.php b/src/Forms/Form.php
index 6ebb9be95..761f1699b 100644
--- a/src/Forms/Form.php
+++ b/src/Forms/Form.php
@@ -333,7 +333,7 @@ public function isAnchored(): bool
 
 	/**
 	 * Tells if the form was submitted.
-	 * @return ISubmitterControl|false  submittor control
+	 * @return ISubmitterControl|bool  submittor control
 	 */
 	public function isSubmitted()
 	{