Update 2024-02-15-Windows-7.md

Author: ChrisDenton

posts/2024-02-15-Windows-7.md

@@ -9,7 +9,7 @@ Windows 10 will now be the minimum supported Rust version for the `*-pc-windows-
 These requirements apply both to the Rust toolchain itself and to binaries produced by Rust.
 
 Two new targets have been added with Windows 7 as their baseline: `x86_64-win7-windows-msvc` and `i686-win7-windows-msvc`.
-They are starting as tier 3 targets, meaning that the Rust codebase has support for them but we don't build or test them automatically.
+They are starting as Tier 3 targets, meaning that the Rust codebase has support for them but we don't build or test them automatically.
 Therefore binaries aren't distributed via rustup.
 
 ## Affected targets