diff --git a/library/Zend/Code/Generator/ClassGenerator.php b/library/Zend/Code/Generator/ClassGenerator.php
index 86f682d401d..b0e05e9faf0 100644
--- a/library/Zend/Code/Generator/ClassGenerator.php
+++ b/library/Zend/Code/Generator/ClassGenerator.php
@@ -531,7 +531,8 @@ public function addConstant($name, $value)
     }
 
     /**
-     * @param  array $constants
+     * @param  PropertyGenerator[]|array[] $constants
+     *
      * @return ClassGenerator
      */
     public function addConstants(array $constants)