diff --git a/__ffi/README.md b/__ffi/README.md
index ce00ddc..0cd4913 100644
--- a/__ffi/README.md
+++ b/__ffi/README.md
@@ -1,4 +1,9 @@
 
+Rust & CXX:
+https://cxx.rs/
+https://github.com/dtolnay/cxx
+
+
 ```shell
 cargo install bindgen
 cargo install cbindgen