diff --git a/README.md b/README.md
index c6f9848..b5c7ae9 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 A curated list of awesome Rust code and resources. Inspired by the other [awesome lists](https://github.com/bayandin/awesome-awesomeness).
 
+Only projects that are more than a prototype should be added. Projects that do not compile with Rust-nightly for a long time have to be removed.
+
 - [Awesome Rust](#awesome-rust)
   - [Code](#code)
     - [Audio](#audio)