diff --git a/6_5_Sending_a_Transaction_with_Data.md b/6_5_Sending_a_Transaction_with_Data.md
index 15d57bf..baafb55 100644
--- a/6_5_Sending_a_Transaction_with_Data.md
+++ b/6_5_Sending_a_Transaction_with_Data.md
@@ -1,4 +1,4 @@
-# 6.4: Sending a Transaction with Data
+# 6.5: Sending a Transaction with Data
 
 > **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.