diff --git a/5_1_Sending_a_Raw_Transaction_with_an_OP_RETURN.md b/5_1_Sending_a_Raw_Transaction_with_Data.md
similarity index 97%
rename from 5_1_Sending_a_Raw_Transaction_with_an_OP_RETURN.md
rename to 5_1_Sending_a_Raw_Transaction_with_Data.md
index 2b5e118..219aaf5 100644
--- a/5_1_Sending_a_Raw_Transaction_with_an_OP_RETURN.md
+++ b/5_1_Sending_a_Raw_Transaction_with_Data.md
@@ -1,6 +1,4 @@
-# 3.5: Sending a Raw Transaction with an OP_RETURN
-
-[[maybe put this in a complex transaction section with RBF and child-funds-parent]]
+# 5.1: Sending a Raw 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.