diff --git a/2023-08-29--dev-notes.md b/2023-08-29--dev-notes.md
index 005348d..f3f7281 100644
--- a/2023-08-29--dev-notes.md
+++ b/2023-08-29--dev-notes.md
@@ -77,12 +77,12 @@ And https://stackoverflow.com/a/8966863:
     → have done a basic implementation, which is a regression of the feature set
   - [ ] parse args in a safer way
   - [ ] implement missing features
+    - [ ] single-stepping
+    - [ ] various levels of debugging, pretty-printing
 
 ***
 
 - [x] **fix overflow flag**
 - [ ] **add 'dry run' mode to assembler - print debug info but don't write to file**
 - [ ] implement 'jmp ($FF)' on startup
-  - [ ] implement ROM
-
-- [ ] re-implement single-stepping
\ No newline at end of file
+  - [ ] implement ROM
\ No newline at end of file