diff --git a/src/ArrayCollection.php b/src/ArrayCollection.php
index b11b2a74..d8c569a8 100644
--- a/src/ArrayCollection.php
+++ b/src/ArrayCollection.php
@@ -296,7 +296,11 @@ public function getValues()
         return array_values($this->elements);
     }
 
-    /** @return int */
+    /**
+     * {@inheritDoc}
+     *
+     * @return int<0, max>
+     */
     #[ReturnTypeWillChange]
     public function count()
     {