diff --git a/index.md b/index.md
index 7960c58..c51c225 100644
--- a/index.md
+++ b/index.md
@@ -81,8 +81,10 @@ Get updates about changes, additions, and new and upcoming sections by following
         * [The Key Selector](#the-key-selector)
     * [General Rules](#general-rules)
 * [Specificity](#specificity)
+    * [Keep It Low at All Times](#keep-it-low-at-all-times)
     * [IDs in CSS](#ids-in-css)
     * [Nesting](#nesting)
+        * [Scope](#scope)
     * [`!important`](#important)
     * [Hacking Specificity](#hacking-specificity)
 * [Architectural Principles](#architectural-principles)