Minor clarity edits (#195)

* Fix non-normative issues

* Move note

Author: FragLegs

openid-sharedsignals-framework-1_0.md

@@ -607,10 +607,12 @@ default_subjects
 > OPTIONAL. A string indicating the default behavior of newly created streams. If present,
   the value MUST be either "ALL" or "NONE". If not provided, the Transmitter behavior in
   this regard is unspecified.
+
 >  - "ALL" indicates that any subjects that are appropriate for the stream are added to
     the stream by default. The Receiver MAY remove subjects from the stream via the
     `remove_subject_endpoint`, causing events for those subjects to _not_ be transmitted.
     The Receiver MAY re-add any subjects removed this way via the `add_subject_endpoint`.
+
 >  - "NONE" indicates that no subjects are added by default. The Receiver MAY add subjects
     to the stream via the `add_subject_endpoint`, causing only events for those subjects
     to be transmitted. The Receiver MAY remove subjects added this way via the
@@ -969,13 +971,14 @@ The HTTP POST request MAY contain the Receiver-Supplied values of the Stream
 Configuration ({{stream-config}}) object:
 
 * `events_requested`
-* `delivery` : Note that in the case of the poll method, the `endpoint_url` value is
-  supplied by the Transmitter.
+* `delivery`
+* `description`
 
 If the request does not contain the `delivery` property, then the Transmitter
 MUST assume that the `method` is "urn:ietf:rfc:8936" (poll). The
 Transmitter MUST include a `delivery` property in the response with this
-`method` property and an `endpoint_url` property.
+`method` property and an `endpoint_url` property. Note that in the case of the poll
+method, the `endpoint_url` value is supplied by the Transmitter.
 
 The following is a non-normative example request to create an Event Stream: