Add note about S3 paths to documentation

docs/s3/index.md

@@ -7,6 +7,12 @@ will use in production as well as support for pre-signed URLs.
 
 **S3 Endpoint:** s3.localhost
 
+!!! note "Paths"
+    By default, the S3 SDK will use a subdomain style endpoint to access your
+    bucket. In magicLAMP, you will need to use "path style" endpoints. This
+    can be configured in your S3 configuration. In PHP/Laravel, this option
+    can be used by setting `use_path_style_endpoint` to `true`.
+
 ## Accessing the GUI
 
 MinIO has a built-in GUI which you can access at `s3.localhost`. Here you