fixup! fixup! Add "docpath" SVCB ParamKey definition

Co-authored-by: chrysn <chrysn@fsfe.org>

draft-ietf-core-dns-over-coap.md

@@ -212,7 +212,7 @@ Delta and Option Length of the CoAP option, provided these CBOR text strings are
 between 0 and 12 octets (see {{-coap, Section 3.1}}). Likewise, it can be transfered into a URI
 path-abempty form (see {{-uri, Section 3.3}}) by replacing the initial byte of any present CBOR text
 string with the "/" character, provided these CBOR text strings are all of a length lesser than 24
-octets.
+octets and do not contain bytes that need escaping.
 
 To use the service binding from a SVCB RR, the DoC client MUST send any DoC request to the CoAP
 resource identifier constructed from the SvcParams including "docpath". A rough construction