Update posts/2025-01-09-Rust-1.84.0.md

Co-authored-by: Ed Page <eopage@gmail.com>

Author: Mark-Simulacrum

posts/2025-01-09-Rust-1.84.0.md

@@ -56,6 +56,9 @@ $ CARGO_RESOLVER_INCOMPATIBLE_RUST_VERSIONS=allow cargo update
     Updating clap v4.0.32 -> v4.5.23
 ```
 
+You can also opt-in by setting [`package.resolver = "3"`](https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions) in the Cargo.toml manifest file though that will require raising your MSRV to 1.84.  The new resolver will be enabled by default for projects using the 2024 edition
+(which will stabilize in 1.85).
+
 This gives library authors more flexibility when deciding
 their policy on adopting new Rust toolchain features. Previously, a library
 adopting features from a new Rust toolchain would force downstream users of
@@ -66,11 +69,6 @@ automatically use older library versions compatible with their older toolchain.
 
 See the [documentation](https://doc.rust-lang.org/cargo/reference/rust-version.html#setting-and-updating-rust-version) for more considerations when deciding on an MSRV policy.
 
-The new resolver will be enabled by default for projects using the 2024 edition
-(which will stabilize in 1.85), but can be enabled in this release via
-[`package.resolver = "3"`](https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions) in the Cargo.toml manifest file, or
-[`resolver.incompatible-rust-versions = "fallback"`](https://doc.rust-lang.org/cargo/reference/config.html#resolverincompatible-rust-versions) in the Cargo configuration file.
-
 ### Migration to a new trait solver begins
 
 The Rust compiler is in the process of moving to a new implementation for the