Update RELEASES.md

Co-Authored-By: Aaronepower <Aaronepower@users.noreply.github.com>

Author: Centril

RELEASES.md

@@ -26,7 +26,7 @@ Language
   this feature will by default produce a warning as this behaviour can be
   unintuitive. E.g. `if let _ = 5 {}`
 - [You can now use `let` bindings, assignments, expression statements, and pattern destructuring in
-  constant functions.][57175]
+  const functions.][57175]
 - [You can now specify multiple attributes in a `cfg_attr` attribute.][57332]
   E.g. `#[cfg_attr(all(), must_use, optimize)]`
 - [You can now specify a specific alignment with the `#[repr(packed)]`