diff --git a/12_0_Talking_to_Bitcoind.md b/12_0_Talking_to_Bitcoind.md
index 06636bf..a6fdaf9 100644
--- a/12_0_Talking_to_Bitcoind.md
+++ b/12_0_Talking_to_Bitcoind.md
@@ -19,4 +19,5 @@ Supporting objectives include the ability to:
 
   * [Section One: Accessing Bitcoind with Curl](12_1_Accessing_Bitcoind_with_Curl.md)
   * [Section Two: Accessing Bitcoind with C](12_2_Accessing_Bitcoind_with_C.md)
-  * [Section Three: Accessing Bitcoind with Node](12_3_Accessing_Bitcoind_with_Node.md) 
+  * [Section Three: Programming Bitcoind with C](12_3_Programming_Bitcoind_with_C.md)
+  * [Section Four: Accessing Bitcoind with Node](12_4_Accessing_Bitcoind_with_Node.md)