Optimized Repositories: Fixup for Step 2 in migration guide

Author: Shendisx

src/content/docs/features/optimized_repos.mdx

@@ -46,7 +46,7 @@ If you are currently using the `x86-64-v3` repositories and you upgrade to a Zen
    gcc -march=native -Q --help=target 2>&1 | grep -Po "^\s+-march=\s+\K(\w+)\$"
    ```
    If the output is `znver4` or `znver5`, you can proceed with the migration.
-2. Add the `znver4` repositories to your `/etc/pacman.conf` file as shown below:
+2. Replace the `x86-64-v3` repositories in your `/etc/pacman.conf` with the `znver4` repositories. Your `/etc/pacman.conf` should look like this:
     ```ini title='Example'
    [cachyos-znver4]