diff --git a/src/Framework/Assert.php b/src/Framework/Assert.php
index 5ec847d0122..2196e7efff4 100644
--- a/src/Framework/Assert.php
+++ b/src/Framework/Assert.php
@@ -2337,7 +2337,7 @@ public static function isTrue()
     /**
      * @param callable $callback
      *
-     * @return callback
+     * @return Callback
      */
     public static function callback($callback)
     {
diff --git a/src/Framework/Assert/Functions.php b/src/Framework/Assert/Functions.php
index 09bee2fde7f..6b604f7c097 100644
--- a/src/Framework/Assert/Functions.php
+++ b/src/Framework/Assert/Functions.php
@@ -1323,7 +1323,7 @@ function attributeEqualTo($attributeName, $value, $delta = 0.0, $maxDepth = 10,
  *
  * @param callable $callback
  *
- * @return callback
+ * @return Callback
  */
 function callback($callback)
 {