diff --git a/include/coap2/pdu.h b/include/coap2/pdu.h
index c974a5a6..6b4d9aef 100644
--- a/include/coap2/pdu.h
+++ b/include/coap2/pdu.h
@@ -208,6 +208,9 @@ const char *coap_response_phrase(unsigned char code);
 #define COAP_MEDIATYPE_APPLICATION_SENML_XML    310 /* application/senml+xml   */
 #define COAP_MEDIATYPE_APPLICATION_SENSML_XML   311 /* application/sensml+xml  */
 
+/* Content formats from RFC 8782 */
+#define COAP_MEDIATYPE_APPLICATION_DOTS_CBOR    271 /* application/dots+cbor */
+
 /* Note that identifiers for registered media types are in the range 0-65535. We
  * use an unallocated type here and hope for the best. */
 #define COAP_MEDIATYPE_ANY                         0xff /* any media type */
diff --git a/include/coap2/resource.h b/include/coap2/resource.h
index e4bde1d7..c7239b13 100644
--- a/include/coap2/resource.h
+++ b/include/coap2/resource.h
@@ -78,7 +78,7 @@ typedef struct coap_attr_t {
  * https://tools.ietf.org/html/rfc7641#section-4.5
  * but required by the DOTS signal channel protocol which needs to operate in
  * lossy DDoS attack environments.
- * https://tools.ietf.org/html/draft-ietf-dots-signal-channel-41#section-4.4.2.1
+ * https://tools.ietf.org/html/rfc8782#section-4.4.2.1
  */
 #define COAP_RESOURCE_FLAGS_NOTIFY_NON_ALWAYS  0x4
 
diff --git a/src/coap_debug.c b/src/coap_debug.c
index d582df41..547ced1a 100644
--- a/src/coap_debug.c
+++ b/src/coap_debug.c
@@ -398,9 +398,11 @@ print_content_format(unsigned int format_type,
     { COAP_MEDIATYPE_APPLICATION_LINK_FORMAT, "application/link-format" },
     { COAP_MEDIATYPE_APPLICATION_XML, "application/xml" },
     { COAP_MEDIATYPE_APPLICATION_OCTET_STREAM, "application/octet-stream" },
+    { COAP_MEDIATYPE_APPLICATION_RDF_XML, "application/rdf+xml" },
     { COAP_MEDIATYPE_APPLICATION_EXI, "application/exi" },
     { COAP_MEDIATYPE_APPLICATION_JSON, "application/json" },
     { COAP_MEDIATYPE_APPLICATION_CBOR, "application/cbor" },
+    { COAP_MEDIATYPE_APPLICATION_CWT, "application/cwt" },
     { COAP_MEDIATYPE_APPLICATION_COSE_SIGN, "application/cose; cose-type=\"cose-sign\"" },
     { COAP_MEDIATYPE_APPLICATION_COSE_SIGN1, "application/cose; cose-type=\"cose-sign1\"" },
     { COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT, "application/cose; cose-type=\"cose-encrypt\"" },
@@ -417,6 +419,7 @@ print_content_format(unsigned int format_type,
     { COAP_MEDIATYPE_APPLICATION_SENSML_EXI, "application/sensml-exi" },
     { COAP_MEDIATYPE_APPLICATION_SENML_XML, "application/senml+xml" },
     { COAP_MEDIATYPE_APPLICATION_SENSML_XML, "application/sensml+xml" },
+    { COAP_MEDIATYPE_APPLICATION_DOTS_CBOR, "application/dots+cbor" },
     { 75, "application/dcaf+cbor" }
   };