diff --git a/12_3_Accessing_Bitcoind_with_Node.md b/12_4_Accessing_Bitcoind_with_Node.md
similarity index 98%
rename from 12_3_Accessing_Bitcoind_with_Node.md
rename to 12_4_Accessing_Bitcoind_with_Node.md
index b202092..a50c2c2 100644
--- a/12_3_Accessing_Bitcoind_with_Node.md
+++ b/12_4_Accessing_Bitcoind_with_Node.md
@@ -1,4 +1,4 @@
-# 12.3: Accessing Bitcoind with Node
+# 12.4: Accessing Bitcoind with Node
 
 > **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.