diff --git a/README.md b/README.md
index e554ace..171fca9 100644
--- a/README.md
+++ b/README.md
@@ -179,6 +179,8 @@ OR
 
 ## Backups
 
+Datastore backups are supported via AWS S3. The only supported region is `us-east-1`, and using an S3 bucket in another region will result in an error. If you would like to sponsor work to enable support for other regions, please contact @josegonzalez.
+
 Backups can be performed using the backup commands:
 
 ```