diff --git a/spec.md b/spec.md
index c9f0d477..2d50799f 100644
--- a/spec.md
+++ b/spec.md
@@ -6,8 +6,8 @@
 	- [Introduction](#introduction)
 	- [Historical Context](#historical-context)
 	- [Definitions](#definitions)
-- [Use Cases](#use-cases)
 - [Notational Conventions](#notational-conventions)
+- [Use Cases](#use-cases)
 - [Conformance](#conformance)
 	- [Official Certification](#official-certification)
 	- [Requirements](#requirements)