diff --git a/openapi/nexus.json b/openapi/nexus.json
index a4baa8124f..a6b45ec6c0 100644
--- a/openapi/nexus.json
+++ b/openapi/nexus.json
@@ -19928,8 +19928,8 @@
         ]
       },
       "UserId": {
-        "title": "A name unique within the parent collection",
-        "description": "Names must begin with a lower case ASCII letter, be composed exclusively of lowercase ASCII, uppercase ASCII, numbers, and '-', and may not end with a '-'. Names cannot be a UUID, but they may contain a UUID. They can be at most 63 characters long.",
+        "title": "A username for a local-only user",
+        "description": "Usernames must begin with a lower case ASCII letter, be composed exclusively of lowercase ASCII, uppercase ASCII, numbers, and '-', and may not end with a '-'. Usernames cannot be a UUID, but they may contain a UUID. They can be at most 63 characters long.",
         "type": "string",
         "pattern": "^(?![0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$)^[a-z]([a-zA-Z0-9-]*[a-zA-Z0-9]+)?$",
         "minLength": 1,