diff --git a/900s Calendars/Research/Research - README.md b/900s Calendars/Research/Research - README.md
index 5451a3651..796f2c699 100644
--- a/900s Calendars/Research/Research - README.md	
+++ b/900s Calendars/Research/Research - README.md	
@@ -16,6 +16,7 @@
 - [[2025-03-12 Finish Thesis update.md]]
 - [[2025-03-13 Haskell Chapter 3.md]]
 - [[2025-03-13 LEAN Addition World.md]]
+- [[2025-03-13 Research MARVEL stuff.md]]
 - [[2025-03-13 Rust Chapter 3 Common Programming Concepts.md]]
 
 ## Summary