diff --git a/docs/content/s3.md b/docs/content/s3.md
index a3961c0a2..7d4f6a2bb 100644
--- a/docs/content/s3.md
+++ b/docs/content/s3.md
@@ -125,6 +125,14 @@ rclone supports multipart uploads with S3 which means that it can
 upload files bigger than 5GB. Note that files uploaded with multipart
 upload don't have an MD5SUM.
 
+### Buckets and Regions ###
+
+With Amazon S3 you can list buckets (`rclone lsd`) using any region,
+but you can only access the content of a bucket from the region it was
+created in.  If you attempt to access a bucket from the wrong region,
+you will get an error, `incorrect region, the bucket is not in 'XXX'
+region`.
+
 ### Ceph ###
 
 Ceph is an object storage system which presents an Amazon S3 interface.