diff --git a/TODO.md b/TODO.md
index a65b8b8..30d739a 100644
--- a/TODO.md
+++ b/TODO.md
@@ -55,7 +55,9 @@ Add and document the following new concepts:
    * <strike>Write chapter 4.6</strike> **6/23**
 12. Add PSBT. Partially Signed Bitcoin Transactions are a powerful new interchange format that should be fully included in our discussions of multi-sigs and escrows (which instead fell back on older methodologies in v1.0).
 13. Add Wallet Updates.
-   * Bitcoin Descriptors
+   * <strike>Bitcoin Descriptors</strike> **6/30**
+      * Show what a SegWit descriptor looks like
+      * Show what a multi-sig descriptor looks like
    * Key Ordering
 14. Consider HWI. We need to investigate the Hardware Wallet Interface, which uses PSBTs with hardware wallets, and see if it's something we should include (and if our readers want us to).