diff --git a/3_4_Sending_a_Raw_Transaction_to_a_P2PKH.md b/4_2_Sending_a_Raw_Transaction_to_a_P2PKH.md
similarity index 100%
rename from 3_4_Sending_a_Raw_Transaction_to_a_P2PKH.md
rename to 4_2_Sending_a_Raw_Transaction_to_a_P2PKH.md