Added IANA consideration on the "CoAP Option Numbers" registry.

draft-ietf-core-oscore-groupcomm.md

@@ -1881,6 +1881,10 @@ IANA is asked to add the following entry to the "OSCORE Flag Bits" registry with
 | 2 | Group Flag | For using a Group OSCORE Security Context, set to 1 if the message is protected with the group mode | {{&SELF}} |
 {: #table-iana-oscore-flag-bits title="Registrations in the OSCORE Flag Bits Registry" align="center"}
 
+## CoAP Option Numbers Registry {#iana-cons-oscore-option-numbers}
+
+IANA is asked to add this document as a reference for the OSCORE Option in the "CoAP Option Numbers" registry within the "Constrained RESTful Environments (CoRE) Parameters" registry group.
+
 ## Target Attributes Registry ## {#iana-target-attributes}
 
 IANA is asked to add the following entry to the "Target Attributes" registry within the "Constrained RESTful Environments (CoRE) Parameters" registry group.
@@ -1978,6 +1982,8 @@ As discussed in {{ssec-gid-collision}}, if endpoints are deployed in multiple gr
 
 ## Version -21 to -22 ## {#sec-21-22}
 
+* Added IANA consideration on the "CoAP Option Numbers" registry.
+
 * Updated references.
 
 * Editorial improvements.