diff --git a/apps/edr-freight-api/src/modules/eims/eims.types.ts b/apps/edr-freight-api/src/modules/eims/eims.types.ts
index 8cea86619..6e74604bd 100644
--- a/apps/edr-freight-api/src/modules/eims/eims.types.ts
+++ b/apps/edr-freight-api/src/modules/eims/eims.types.ts
@@ -1,5 +1,6 @@
 /**
- * Wire types for the MoR EIMS gateway,
+ * Wire types for the MoR EIMS gateway, taken from the supplied Postman collection.
+ *
  * Every protected payload is the same envelope: the business object under `request`, a base64
  * RSA-SHA512 signature over the *inner* object only, and the base64 certificate bundle.
  */