diff --git a/TODO.md b/TODO.md
index 2b55ef8..77e946a 100644
--- a/TODO.md
+++ b/TODO.md
@@ -14,11 +14,12 @@ The following TODO items are intended for a 3.0 version of Learning Bitcoin from
## Immediate TODO (for 2/19): Segwit
-1. Change §4.1-4.5 to use Bech32 (incorporate existing §4.6)
-2. Create a new chapter §4.6
+1. Write QR Code Interlude (§3.3b)
+2. Change §4.1-4.5 to use Bech32 (incorporate existing §4.6)
+3. Create a new chapter §4.6 (4.1?)
* Lay out new table of all the address types
* Demonstrate how to send legacy & wrapped Segwit transactions
-3. Remove legacy address references from the rest of the course
+4. Remove legacy address references from the rest of the course
## Longer-Term TODO (Small Tasks)
@@ -28,7 +29,7 @@ The following updates involve updates or the creation of new chapters, but their
* Signet
* SEGWIT
* Talk about address types: https://www.unchained.com/blog/bitcoin-address-types-compared
- * Descriptor Wallets
+ * Descriptor Wallets
1. Revise 4.4
* freezing coins
1. New Interlude: Creating Animated QR Codes (after 7.1)