diff --git a/cmuratori/hero/code/code503.hmml b/cmuratori/hero/code/code503.hmml
index f4125eb..3b9bea9 100644
--- a/cmuratori/hero/code/code503.hmml
+++ b/cmuratori/hero/code/code503.hmml
@@ -56,7 +56,7 @@
     site=Desmos
     page="Graphic Calculator"
     url=https://www.desmos.com/calculator]][:mathematics :research]
-[1:40:02][Bezier curves][:blackboard :mathematics]
+[1:40:02][Bézier curves][:blackboard :mathematics]
 [1:51:17][Plug our derivatives into Desmos[ref
     site=Desmos
     page="Graphic Calculator"