Update README

Author: khvzak

README.md

@@ -5,8 +5,11 @@
 [Build Status]: https://github.com/khvzak/luajit-src-rs/workflows/CI/badge.svg
 [github-actions]: https://github.com/khvzak/luajit-src-rs/actions
 
-This crate contains the sources of LuaJIT 2.1 (OpenResty's branch) and logic to build it.
-Intended to be consumed by the [mlua](https://crates.io/crates/mlua) crate.
+This crate contains the sources of LuaJIT 2.1 (OpenResty's [branch]) and logic to build it.
+Intended to be consumed by the [mlua-sys] crate.
+
+[branch]: https://github.com/openresty/luajit2
+[mlua-sys]: https://crates.io/crates/mlua-sys
 
 # License