diff --git a/README.md b/README.md
index a3f20ac..2ce4648 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,7 @@ This is read-only demo with guest account enabled
 ## Limitations
 - Symlinks are not supported by the underlying [Flysystem](https://flysystem.thephpleague.com/v1/docs/adapter/local/)
 - File ownership is not supported (chown)
+- Too many files in the same directory can negatively impact performance
 
 ## Docker
 Check out [the official docker image](https://hub.docker.com/r/filegator/filegator) with instructions on how to use it