diff --git a/SystemDoc.md b/SystemDoc.md
index c9d046dd..c6258386 100644
--- a/SystemDoc.md
+++ b/SystemDoc.md
@@ -12,6 +12,8 @@ The System Architecture Specification
 
 -   Qubes OS Architecture v0.3 [​(pdf)](http://www.qubes-os.org/files/doc/arch-spec-0.3.pdf) [​(sig)](http://www.qubes-os.org/files/doc/arch-spec-0.3.pdf.sig)
 
+-   [​Disposable VMs](http://theinvisiblethings.blogspot.com/2010/06/disposable-vms.html)
+
 Building Qubes Packages from Sources
 ------------------------------------