Fix broken markdown link in README.

diff --git a/README.md b/README.md
index 9463b0e849856b1fee2cd76b69193cc19ca88d79..384795608db7635e9e966b0010b819c1f94884ef 100644 (file)
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ build.
 
 [MSYS2][msys2] can be used to easily build Rust on Windows:
 
-msys2: https://msys2.github.io/
+[msys2]: https://msys2.github.io/
 
 1. Grab the latest [MSYS2 installer][msys2] and go through the installer.