diff --git a/03_0_Understanding_Your_Bitcoin_Setup.md b/03_0_Understanding_Your_Bitcoin_Setup.md
index dc01634..14b1caf 100644
--- a/03_0_Understanding_Your_Bitcoin_Setup.md
+++ b/03_0_Understanding_Your_Bitcoin_Setup.md
@@ -27,7 +27,8 @@ Supporting objectives include the ability to:
 * [Section One: Verifying Your Bitcoin Setup](03_1_Verifying_Your_Bitcoin_Setup.md)
 * [Section Two: Knowing Your Bitcoin Setup](03_2_Knowing_Your_Bitcoin_Setup.md)
 * [Section Three: Setting Up Your Wallet](03_3_Setting_Up_Your_Wallet.md)
-   * [Interlude: Using Command-Line Variables](03_3__Interlude_Using_Command-Line_Variables.md)
 * [Section Four: Understanding the Descriptor](03_4_Understanding_the_Descriptor.md)
 * [Section Five: Understanding the Address](03_5_Understanding_the_Address.md)
-* [Section Six: Receiving a Transaction](03_6_Receiving_a_Transaction.md)
+* [Section Six: Creating QR Codes for Addresses](03_6_Creating_QR_Codes_for_Addresses.md)
+* [Section Seven: Receiving a Transaction](03_7_Receiving_a_Transaction.md)
+   * [Interlude: Using Command-Line Variables](03_7a_Interlude_Using_Command-Line_Variables.md)