Use . instead of / for field projection (ietf-rats-wg#346)

Fixes Issue ietf-rats-wg#345

draft-ietf-rats-corim.md

@@ -2036,10 +2036,10 @@ matched against these Reference Values.
 
 Each entry within `state-triples` uses the syntax of `endorsed-triple-record`.
 When an `endorsed-triple-record` appears within `state-triples` it
-indicates that the authority named by `measurement-map`/`authorized-by`
+indicates that the authority named by `measurement-map`.`authorized-by`
 asserts that the actual state of one or more Claims within the
 Target Environment, as identified by `environment-map`, have the
-measurement values in `measurement-map`/`mval`.
+measurement values in `measurement-map`.`mval`.
 
 ECT authority is represented by cryptographic keys. Authority
 is asserted by digitally signing a Claim using the key. Hence, Claims are