update docs to mention quota not supported on FS

docs/bucket/quota/README.md

@@ -7,33 +7,33 @@ Buckets can be configured to have one of two types of quota configuration - FIFO
 - `Hard` quota disallows writes to the bucket after configured quota limit is reached.
 - `FIFO` quota automatically deletes oldest content until bucket usage falls within configured limit while permitting writes.
 
-> NOTE: Bucket quotas are not supported under Gateway deployments.
+> NOTE: Bucket quotas are not supported under gateway or standalone single disk deployments.
 
-## 1. Prerequisites
+## Prerequisites
 - Install MinIO - [MinIO Quickstart Guide](https://docs.min.io/docs/minio-quickstart-guide).
 - [Use `mc` with MinIO Server](https://docs.min.io/docs/minio-client-quickstart-guide)
 
-## 2. Set bucket quota configuration
+## Set bucket quota configuration
 
-1. Set a hard quota of 1GB for a bucket `mybucket` on MinIO object storage:
+### Set a hard quota of 1GB for a bucket `mybucket` on MinIO object storage:
 
 ```sh
 $ mc admin bucket quota myminio/mybucket --hard 1gb
 ```
 
-2. Set FIFO quota of 5GB for a bucket "mybucket" on MinIO to allow automatic deletion of older content to ensure bucket usage remains within 5GB
+### Set FIFO quota of 5GB for a bucket "mybucket" on MinIO to allow automatic deletion of older content to ensure bucket usage remains within 5GB
 
 ```sh
 $ mc admin bucket quota myminio/mybucket --fifo 5gb
 ```
 
-3. Verify the quota configured on `mybucket` on MinIO
+### Verify the quota configured on `mybucket` on MinIO
 
 ```sh
 $ mc admin bucket quota myminio/mybucket
 ```
 
-4. Clear bucket quota configuration for `mybucket` on MinIO
+### Clear bucket quota configuration for `mybucket` on MinIO
 
 ```sh
 $ mc admin bucket quota myminio/mybucket --clear