Regenerate README file - 2025-12-22

Author: schlessera

README.md

@@ -23,7 +23,7 @@ By default, the WP Object Cache exists in PHP memory for the length of the
 request (and is emptied at the end). Use a persistent object cache drop-in
 to persist the object cache between requests.
 
-[Read the codex article](https://codex.wordpress.org/Class_Reference/WP_Object_Cache)
+[Read the documentation](https://developer.wordpress.org/reference/classes/wp_object_cache)
 for more detail.
 
 **EXAMPLES**