diff --git a/TODO.md b/TODO.md
index 981f5e1..ed64b0c 100644
--- a/TODO.md
+++ b/TODO.md
@@ -19,6 +19,7 @@ Replace our current scripts with Bitcoin Standup (which was based on those scrip
 ## 2. Upgrade to 0.20
 
 9. Walk through chapters 1-11, making sure all commands work with Bitcoin Core 0.20 (and changing them if not). Redo the output of all examples.
+   * <strike>Edit Chapter 0</strike> **6/19**
    * Edit Chapter 1
    * Re-edit Chapter 2
    * Check Chapter 3