diff --git a/src/Validator/Constraints/IsTrueV3.php b/src/Validator/Constraints/IsTrueV3.php
index c2749c0..a48e778 100755
--- a/src/Validator/Constraints/IsTrueV3.php
+++ b/src/Validator/Constraints/IsTrueV3.php
@@ -2,6 +2,10 @@
 
 namespace EWZ\Bundle\RecaptchaBundle\Validator\Constraints;
 
+/**
+ * @Annotation
+ * @Target("PROPERTY")
+ */
 class IsTrueV3 extends IsTrue
 {
     /**