Minor change to README.md

README.md

@@ -68,6 +68,7 @@ These capabilities are called "VM access capabilities":
 | Capability    | Description                                                        |
 |---            |---                                                                 |
 | VM_SET_ACCESS | User can add/change access to the VM                               |
+|               | VM_SET_ACCESS **must also be present** in the user's capabilities! |
 | VM_DESTROY    | User can destroy the VM                                            |
 | VM_EDIT       | User can edit the VM                                               |
 | VM_START      | User can start the VM                                              |