diff --git a/Security.md b/Security.md
index 3be4d9c..86482db 100644
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+++ b/Security.md
@@ -2,6 +2,11 @@
 
 This page exists so that there is one page to read to learn about the security guarantees that Tahoe is designed to provide, as well as about any current known issues that might have security consequences.
 
+
+**The following is not complete.**
+
+However, you can view [a complete technical explanation]source:architecture.txt?rev=1432#L472 of which this page is eventually intended to be a summary.
+
 # The Distributed Filesystem
 
 ## Access Control