PR comments

docs/messaging/messaging-spans.md

@@ -237,11 +237,13 @@ interpret linked traces without the need for additional semantic hints.
 
 #### Producer spans
 
-"Publish" spans SHOULD be created for operations of providing messages for
-sending or publishing to an intermediary. A single "Publish" span can account
-for a single message, or for multiple messages (in the case of providing
-messages in batches). "Create" spans MAY be created. A single "Create" span
-SHOULD account only for a single message.
+"Create" spans MAY be created when a message is created or passed to the client
+library or other component responsible for publishing.  A single "Create" span
+SHOULD account only for a single message.  "Publish" spans SHOULD be created
+for operations of sending or publishing a message to an intermediary. A single
+"Publish" span can account for a single message, or for multiple messages (in
+the case of sending messages in batches).  "Publish" spans SHOULD link to the
+message creation contexts.
 
 If a user provides a custom creation context in a message, this context SHOULD
 NOT be modified and a "Create" span SHOULD NOT be created.  Otherwise, if a