diff --git a/readme.md b/readme.md
index b5952102..225baf67 100644
--- a/readme.md
+++ b/readme.md
@@ -17,7 +17,7 @@ Included are:
 - Update and backup notifications included
 - Daily backups can get enabled from the AIO interface which also allows to update all containers, Nextcloud and its apps afterwards automatically
 - Instance restore from backup archive via the AIO interface included (you only need the archive and the password in order to restore the whole instance on a new AIO instance)
-- APCU as local cache
+- APCu as local cache
 - Redis as distributed cache and for file locking
 - Postgresql as database
 - PHP-FPM with performance-optimized config (e.g. Opcache and JIT enabled by default)