diff --git a/README.md b/README.md
index b299db1..d440375 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 [![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/mversic/disjoint_impls/blob/master/LICENSE)
 [![Crates.io](https://img.shields.io/crates/v/disjoint_impls.svg)](https://crates.io/crates/disjoint_impls)
 
+Crate will be maintained (at least) until [this idiom](https://github.com/rust-lang/rust/issues/20400) is allowed by the Rust compiler directly
+
 ## Description
 
 This library enables you to write certain types of disjoint impls that Rust compiler doesn't (yet?) allow.