diff --git a/IETF-OCM.md b/IETF-OCM.md
index e8697ed..51df5d5 100644
--- a/IETF-OCM.md
+++ b/IETF-OCM.md
@@ -1449,6 +1449,13 @@ payload and identity bindings.
 * A receiver MAY return HTTP 501 for a known, valid notification type
   whose operation it does not implement.
 
+## Response
+
+A receiver that accepts a notification MUST respond with HTTP 201 and
+no body. Senders SHOULD treat any 2xx response as confirmation of
+receipt and MUST ignore its body. Receipt does not confirm completion
+of the requested action.
+
 ## Share Acceptance and Updating
 
 A notification MAY be sent by a recipient to let the provider know that
diff --git a/spec.yaml b/spec.yaml
index 967f0b9..dfdfd16 100644
--- a/spec.yaml
+++ b/spec.yaml
@@ -214,9 +214,8 @@ paths:
       responses:
         "201":
           description: >
-            Receiver succesfully received the notification. The response body
-            MAY contain a JSON object with response data, depending on
-            the actual notification.
+            Notification accepted. The response has no body. Receipt does
+            not guarantee a state change or distributed completion.
         "400":
           description: >
             Invalid notification envelope or malformed payload for a known