Update arch.md

Author: KorigamiK

installation/arch.md

@@ -8,15 +8,16 @@ nav_exclude: true
 
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-Arch Linux users can install the PSP SDK using packages available in the Arch
-User Repository (AUR). There are two primary options: a pre-compiled binary
-package (recommended for faster installation) and a source package (which builds
-the SDK locally).
 
 ## Prerequisites
 
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+Arch Linux users can install the PSP SDK using packages available in the Arch
+User Repository (AUR). There are two primary options: a pre-compiled binary
+package (recommended for faster installation) and a source package (which builds
+the SDK locally).
+
 ### AUR Helper (Optional but Recommended)
 
 An AUR helper (like `yay`, `paru`, etc.) simplifies installing and updating AUR