use monospace for inline CDDL.

draft-birkholz-rats-epoch-markers.md

@@ -169,10 +169,10 @@ This memo comes with a set of predefined payloads.
 
 ### CBOR Time Tags
 
-A CBOR time representation choosing from CBOR tag 0 (tdate, RFC3339 time as a string), tag 1 (time, Posix time as int or float) or tag 1001 (extended time data item), optionally bundled with a nonce.
+A CBOR time representation choosing from CBOR tag 0 (`tdate`, RFC3339 time as a string), tag 1 (`time`, Posix time as int or float) or tag 1001 (extended time data item), optionally bundled with a nonce.
 
 See {{Section 3 of -CBOR-ETIME}} for the (many) details about the CBOR extended
-time format (tag 1001). See {{-CBOR}} for tdate (tag 0) and time (tag 1).
+time format (tag 1001). See {{-CBOR}} for `tdate` (tag 0) and `time` (tag 1).
 
 ~~~~ CDDL
 {::include cddl/cbor-time-tag.cddl}