diff --git a/discovery/dataplex-v1.json b/discovery/dataplex-v1.json
index 84ad0a9c7e..a7c09f9d10 100644
--- a/discovery/dataplex-v1.json
+++ b/discovery/dataplex-v1.json
@@ -4360,7 +4360,7 @@
       }
     }
   },
-  "revision": "20240115",
+  "revision": "20240124",
   "rootUrl": "https://dataplex.googleapis.com/",
   "schemas": {
     "Empty": {
@@ -9128,7 +9128,7 @@
           "type": "array"
         },
         "role": {
-          "description": "Role that is assigned to the list of members, or principals. For example, roles/viewer, roles/editor, or roles/owner.",
+          "description": "Role that is assigned to the list of members, or principals. For example, roles/viewer, roles/editor, or roles/owner.For an overview of the IAM roles and permissions, see the IAM documentation (https://cloud.google.com/iam/docs/roles-overview). For a list of the available pre-defined roles, see here (https://cloud.google.com/iam/docs/understanding-roles).",
           "type": "string"
         }
       },
diff --git a/src/apis/dataplex/v1.ts b/src/apis/dataplex/v1.ts
index a72933f36f..9527e4a9e8 100644
--- a/src/apis/dataplex/v1.ts
+++ b/src/apis/dataplex/v1.ts
@@ -3284,7 +3284,7 @@ export namespace dataplex_v1 {
      */
     members?: string[] | null;
     /**
-     * Role that is assigned to the list of members, or principals. For example, roles/viewer, roles/editor, or roles/owner.
+     * Role that is assigned to the list of members, or principals. For example, roles/viewer, roles/editor, or roles/owner.For an overview of the IAM roles and permissions, see the IAM documentation (https://cloud.google.com/iam/docs/roles-overview). For a list of the available pre-defined roles, see here (https://cloud.google.com/iam/docs/understanding-roles).
      */
     role?: string | null;
   }