Update.

Author: m-ou-se

posts/2021-04-30-edition-2021.md

@@ -277,8 +277,8 @@ These are some new prefixes you might see in the future:
 
 - `k#keyword` to allow writing keywords that don't exist yet in the current edition.
   For example, while `async` is not a keyword in edition 2015,
-  this prefix would've allowed us to accept `k#async` in edition 2015
-  without having to wait for edition 2018 to reserve `async` as a keyword.
+  this prefix would've allowed us to accept `k#async` as an alternative in edition 2015
+  while we waited for edition 2018 to reserve `async` as a keyword.
 
 [10]: https://github.com/rust-lang/rfcs/pull/3101