diff --git a/README.md b/README.md
index a751671..0fa375e 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This is a collection of mathematical animations, written as small React componen
 
 -   [animations](src/animations) - code for each animation
 -   [lib/Animation.tsx](src/lib/Animation.tsx) - react component for rendering and exporting animations
--   [lib/graphics.tsx](src/lib/graphics.tsx) - library to simplify drawing to 2d canvas
+-   [lib/graphics.tsx](src/lib/graphics.ts) - library to simplify drawing to 2d canvas
 
 ## Creating an animation