diff --git a/MC/doc/MC_TODO.md b/MC/doc/MC_TODO.md
index d169a6111..f9da502c9 100644
--- a/MC/doc/MC_TODO.md
+++ b/MC/doc/MC_TODO.md
@@ -4,3 +4,4 @@ A simple ToDo list of wanted/planned features or developments.
 
 - [ ] add QED background treatment (needed by ITS, FT0, etc)
 - [ ] make interaction rate (in digitization) be determined from collision system
+- [ ] add official markdown documentation for the sim workflow