diff --git a/identifier/package.json b/identifier/package.json
index 51a0d51..501e0ec 100644
--- a/identifier/package.json
+++ b/identifier/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hellocoop/identifier",
-    "version": "1.6.2",
+    "version": "1.7.0",
     "description": "A module for generating and verifying Hellō identifiers with a checksum.",
     "repository": {
         "type": "git",
diff --git a/identifier/src/identifierTypes.js b/identifier/src/identifierTypes.js
index d6dfd75..fb9409a 100644
--- a/identifier/src/identifierTypes.js
+++ b/identifier/src/identifierTypes.js
@@ -13,6 +13,7 @@ const identifierTypeDescriptions = {
     con: 'Hellō connection identifier',
     dvc: 'Hellō device cookie identifier',
     inv: 'Hellō invitation identifier',
+    msg: 'Message identifier (secret.agent.coop)',
     pky: 'Hellō passkey identifier',
     req: 'Internal HTTP request identifier',
     ses: 'Hellō session identifier',