diff --git a/README.md b/README.md
index 801854a..83fe145 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # MacMuPDF
-MuPDF for the classic Macintosh operating system
+[MuPDF](https://mupdf.com) for the classic Macintosh operating system, built using [Retro68](https://github.com/autc04/Retro68)