installation/guides/arm-devices/apple-silicon: fix link, mention efi

Author: dkwo

src/installation/guides/arm-devices/apple-silicon.md

@@ -2,7 +2,7 @@
 
 Void's Apple Silicon support is based on Asahi Linux. See their
 [website](https://asahilinux.org) and
-[documentation](https://github.com/AsahiLinux/docs/wiki) for more information.
+[documentation](https://asahilinux.org/docs) for more information.
 
 ## Installation
 
@@ -28,9 +28,12 @@ U-Boot> boot
 To install, follow the [chroot install guide](../chroot.md), using the "XBPS
 method", observing the following modifications:
 
-For the base installation, install `base-system`, `asahi-base`, and
-`asahi-scripts`. These packages provide important configurations and install the
-necessary dependencies. When running `grub-install`, add the `--removable` flag.
+For the base installation, install `base-system` and `asahi-base`. This package
+provides important configurations and installs the necessary dependencies.
+
+For our purposes, the EFI System Partition is the one created by Asahi Linux
+install script, and it should be mounted at `/mnt/boot/efi`. When running
+`grub-install`, add the `--removable` flag.
 
 To use another bootloader with `m1n1`, ensure it installs the bootloader EFI
 executable at `EFI/BOOT/BOOTAA64.EFI` within the EFI system partition. `m1n1`