diff --git a/09_0_Introducing_Bitcoin_Scripts.md b/09_0_Introducing_Bitcoin_Scripts.md
index 59606d8..d2ae265 100644
--- a/09_0_Introducing_Bitcoin_Scripts.md
+++ b/09_0_Introducing_Bitcoin_Scripts.md
@@ -1,4 +1,4 @@
-# Chapter 7: Introducing Bitcoin Scripts
+# Chapter 9: Introducing Bitcoin Scripts
 
 To date, we've been interacting with Bitcoin at a relatively high level of abstraction. The `bitcoin-cli` program offers access to a variety of RPC commands that support the creation and control of raw Bitcoin transactions that include funds, data, timelocks, and multisigs.
 
@@ -19,7 +19,7 @@ Supporting objectives include the ability to:
    
 ## Table of Contents
 
-* [Section One: Understanding the Foundation of Transactions](07_1_Understanding_the_Foundation_of_Transactions.md)
-* [Section Two: Running a Bitcoin Script](07_2_Running_a_Bitcoin_Script.md)
-* [Section Three: Scripting a P2PKH](07_3_Scripting_a_P2PKH.md)
-* [Section Four: Testing a Bitcoin Script](07_4_Testing_a_Bitcoin_Script.md)
+* [Section One: Understanding the Foundation of Transactions](09_1_Understanding_the_Foundation_of_Transactions.md)
+* [Section Two: Running a Bitcoin Script](09_2_Running_a_Bitcoin_Script.md)
+* [Section Three: Scripting a P2PKH](09_3_Scripting_a_P2PKH.md)
+* [Section Four: Testing a Bitcoin Script](09_4_Testing_a_Bitcoin_Script.md)