diff --git a/TODO-30.md b/TODO-30.md
index 67bbe17..ad28825 100644
--- a/TODO-30.md
+++ b/TODO-30.md
@@ -3,6 +3,7 @@
 The following TODO items are intended for a 3.0 version of Learning Bitcoin from the Command Line
 
 1. Section on Libwally Shim for Swift
+2. Section on Wolf's Bitcoin Lib for Swift
 2. Full example of creating a PSBT, handing it to Libwally, and signing it
 3. Miniscript
 4. Schnorr (2021)