diff --git a/18_2_Accessing_Bitcoind_with_Java.md b/18_2_Accessing_Bitcoind_with_Java.md
index 7d41b04..0426c89 100644
--- a/18_2_Accessing_Bitcoind_with_Java.md
+++ b/18_2_Accessing_Bitcoind_with_Java.md
@@ -1,4 +1,4 @@
-# 12.7: Accessing Bitcoind with Java
+# 18.2: Accessing Bitcoind with Java
 
 > **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.