diff --git a/README.md b/README.md
index 3734048..392d588 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ This repo contains the infrastructure for getting started in an embedded Zig pro
 
 ## Design
 
-For MicroZig internals please see the [Design Document](docs/design.adoc).
+For MicroZig internals please see the [Design Document](docs/design.md).
 
 ## Repository structure