fixed links

Author: shannona

docs/17_0_Introducing_Taproot.md

@@ -31,4 +31,4 @@ Supporting objectives include the ability to:
 ## Table of Contents
 
 * [Section One: Breaking Down Taproot](17_1_Breaking_Down_Taproot.md)
-* [Section Two: Updating to Taproot](17_2_Updating_To_Taproot.md)
+* [Section Two: Updating to Taproot](17_2_Updating_to_Taproot.md)

docs/index.md

@@ -116,7 +116,7 @@ complete state.</i>
 
 * [**17.0: Introducing Taproot**](17_0_Introducing_Taproot.md)
     * [17.1: Breaking Down Taproot](17_1_Breaking_Down_Taproot.md)
-    * [17.2: Updating to Taproot](17_2_Updating_To_Taproot.md)
+    * [17.2: Updating to Taproot](17_2_Updating_to_Taproot.md)
 
 
 ---