diff --git a/UserDoc.md b/UserDoc.md
index 382b7948..fe0a9127 100644
--- a/UserDoc.md
+++ b/UserDoc.md
@@ -13,12 +13,16 @@ Qubes User Guides
 -   [Updating and adding new software to domains](/wiki/SoftwareUpdateVM)
 -   [Updating software in Dom0](/wiki/SoftwareUpdateDom0)
 -   [Backup/Restore/Migration](/wiki/BackupRestore)
+-   Using Disposable VMs
 
 Advanced topics:
 
--   Using Disposable VMs
 -   Using Qubes firewall
 -   [How to mount USB stick to an AppVM?](/wiki/StickMounting)
--   [How to install Nvidia driver in dom0](/wiki/InstallNvidiaDriver)
 -   [How to copy files to Dom0?](/wiki/CopyToDomZero)
 
+Optional topics:
+
+-   [How to install Nvidia driver in dom0](/wiki/InstallNvidiaDriver)
+-   [Getting Sony Vaio Z laptop to work with Qubes](/wiki/SonyVaioTinkering)
+