Data-structure.md

@@ -37,7 +37,7 @@ PEP provides a number of predefined column groups and participant groups. Their
 
 | Name | Contains | Updates |
 | ---- | -------- | ------- |
-| `*` | All columns @@@ why does this group exist? No one should have access (except perhaps Data Administrator) @@@ | Newly added columns are automatically added to this column group. |
+| `*` | All columns @@@ why does this group exist? No one should have access (except perhaps Data Administrator) @@@ | Contents are kept in sync with columns created and removed by Data Administrator. |
 | `CastorShortPseudonyms` | All columns storing [short pseudonyms](Data-structure#short-pseudonyms) that refer to a Castor record. | Automatically kept synchronized with environment configuration. |
 | `Device` | All columns storing device histories. | Automatically kept synchronized with environment configuration. |
 | `ShortPseudonyms` | All columns storing [short pseudonyms](Data-structure#short-pseudonyms). | Automatically kept synchronized with environment configuration. |