diff --git a/08_1_Sending_a_Transaction_with_a_Locktime.md b/08_1_Sending_a_Transaction_with_a_Locktime.md
index 2b730c5..8f4f523 100644
--- a/08_1_Sending_a_Transaction_with_a_Locktime.md
+++ b/08_1_Sending_a_Transaction_with_a_Locktime.md
@@ -1,4 +1,4 @@
-8.1: Sending a Transaction with a Locktime
+# 8.1: Sending a Transaction with a Locktime
 
 > :information_source: **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.