diff --git a/openapi.yaml b/openapi.yaml
index a19f83a5c..ad0946353 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -9697,7 +9697,9 @@ paths:
                   type: string
                   description: >
                     The name for this bucket. Must be unique in the cluster you
-                    are creating the bucket in, or an error will be returned.
+                    are creating the bucket in, or an error will be returned. Labels will be
+                    reserved only for the cluster that active buckets are created and stored in.
+
                   pattern: ^[a-z0-09][a-z0-9-]*[a-z0-9]?$
                   example: example-bucket
                 cluster: