diff --git a/README.md b/README.md
index 2869045..1d81ba1 100644
--- a/README.md
+++ b/README.md
@@ -64,8 +64,9 @@ _This tutorial assumes that you have some minimal background of how to use the c
 * [9.0: Introducing Bitcoin Scripts](09_0_Introducing_Bitcoin_Scripts.md)
   * [9.1: Understanding the Foundation of Transactions](09_1_Understanding_the_Foundation_of_Transactions.md)
   * [9.2: Running a Bitcoin Script](09_2_Running_a_Bitcoin_Script.md)
-  * [9.3: Scripting a P2PKH](09_3_Scripting_a_P2PKH.md)
-  * [9.4: Testing a Bitcoin Script](09_4_Testing_a_Bitcoin_Script.md)
+  * [9.3: Testing a Bitcoin Script](09_3_Testing_a_Bitcoin_Script.md)
+  * [9.4: Scripting a P2PKH](09_4_Scripting_a_P2PKH.md)
+  * [9.5: Scripting a P2WPKH)(09_5_Scripting_a_P2WPKH.md)
 * [10.0: Embedding Bitcoin Scripts in P2SH Transactions](10_0_Embedding_Bitcoin_Scripts_in_P2SH_Transactions.md)
   * [10.1: Understanding the Foundation of P2SH](10_1_Understanding_the_Foundation_of_P2SH.md)
   * [10.2: Building the Structure of P2SH](10_2_Building_the_Structure_of_P2SH.md)