diff --git a/README.md b/README.md
index 8573a6e410af6b42d12ec4efe525edb139a44342..9709bf4c342ff58b7d3019603fb6289a0092beeb 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,11 @@ Readline implementation in Rust that is based on [Antirez' Linenoise](https://gi
 
 [Documentation](https://kkawakam.github.io/rustyline)
 
+
+**Supported Platforms**
+* Linux
+* Windows - Work in Progress (Issue #37), modifier keys do not work
+
 ## Build
 This project uses Cargo and Rust Nightly
 ```bash