note that thread_local is not comming soon

Author: matklad

text/0000-standard-lazy-types.md

@@ -180,7 +180,7 @@ static GLOBAL_DATA: Lazy<Mutex<HashMap<i32, String>>> = Lazy::new(|| {
 });
 ```
 
-Moreover, once `#[thread_local]` attribute is stable, `Lazy` will supplant `std::thread_local!` as well:
+Moreover, once `#[thread_local]` attribute is stable (which is not on the road to stabilization yet), `Lazy` will supplant `std::thread_local!` as well:
 
 ```rust
 use std::cell::{RefCell, Lazy};