diff --git a/reference/configuration/framework.rst b/reference/configuration/framework.rst
index 8f7cb5538c8..6695e7bb55b 100644
--- a/reference/configuration/framework.rst
+++ b/reference/configuration/framework.rst
@@ -2790,10 +2790,12 @@ annotations
 cache
 .....
 
-**type**: ``string`` **default**: ``'file'``
+**type**: ``string`` **default**: ``'php_array'``
 
 This option can be one of the following values:
 
+php_array
+    Use a PHP array to cache annotations in memory
 file
     Use the filesystem to cache annotations
 none