diff --git a/TODO.md b/TODO.md
index 3fbc422..46e0632 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,4 +1,5 @@
 - [ ] add rst support and convert markdown handling to custom parser instead of pandoc
+  - [ ] Get megaparsec pretty error message in bin build (errorBundlePretty)
 
 - [ ] process source code blocks with tree sitter https://hackage.haskell.org/package/tree-sitter
     - Alternatively consider skylighting https://hackage.haskell.org/package/skylighting