Modify access rules
diff --git a/groups b/groups
index 1800006..f307770 100644
--- a/groups
+++ b/groups
@@ -2,6 +2,7 @@
 #
 4f32b523380e68c8595bdf27a006c697ea17bade	Non-Interactive Users
 61317511a4a11254cbbf9612896412663548965a	Administrators
+63e77955f1e6a49cb3169e4d3ec0a9fd30380c11	Read-only Users
 7177c81018e69d9a1b1f6f940aad91fbbba574d1	CORD Committers
 global:Anonymous-Users                  	Anonymous Users
 global:Project-Owners                   	Project Owners