diff --git a/02_1_Setting_Up_a_Bitcoin-Core_VPS_with_StackScript.md b/02_1_Setting_Up_a_Bitcoin-Core_VPS_with_StackScript.md
index 90dbb7a..0d6aea7 100644
--- a/02_1_Setting_Up_a_Bitcoin-Core_VPS_with_StackScript.md
+++ b/02_1_Setting_Up_a_Bitcoin-Core_VPS_with_StackScript.md
@@ -251,4 +251,4 @@ You have a few options for what's next:
 
 **Pruned Testnet.** This is just the last 550 blocks of Testnet ... because the Testnet blockchain is pretty big now too.
 
-**Private Regtest.** This is Regression Testing Mode, which lets you run a totally local Bitcoin server. It allows for even more in-depth testing. There's no pruning needed here, because you'll be starting from scratch. This is a very different setup, and so is covered near the end of this tutorial.
+**Private Regtest.** This is Regression Testing Mode, which lets you run a totally local Bitcoin server. It allows for even more in-depth testing. There's no pruning needed here, because you'll be starting from scratch. This is a very different setup, and so is covered in [Appendix 3](A3_0_Using_Bitcoin_Regtest.md).