diff --git a/readme.md b/readme.md
index 2e68740..b00ad9d 100644
--- a/readme.md
+++ b/readme.md
@@ -23,6 +23,7 @@ It's possible to generate a PhpStorm meta file, to [add support for factory desi
     
 > Note: This is only available in the `@dev` stability, until a new release is tagged.
 > Note: You might need to restart PhpStorm and make sure `.phpstorm.meta.php` is indexed.
+> Note: When you receive a FatalException about a class that is not found, check your config (For example, remove S3 as cloud driver when you don't have S3 configured. Remove Redis ServiceProvider when you don't use it.)
 
 ### Automatic phpDoc generation for Laravel Facades