improve formatting

[m1-debian] / README.md

diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -18,9 +18,9 @@ If you don't want to use the prebuild artefacts, you can build them yourself usi
 
 * In the boot picker, choose Options. Once loaded, open a Terminal under Utilities > Terminal
 
-* Run the asahi installer and select Debian (1):
+* Run the asahi installer and select Debian:
 
-        curl -sL tg.st/d | sh
+        curl -sL https://tg.st/d | sh
 
 * Follow the installer instructions.
 
@@ -53,12 +53,18 @@ If you don't want to use the prebuild artefacts, you can build them yourself usi
         apt update
         apt install -y openssh-server
 
+* Consult the **[/root/quickstart.txt](https://git.zerfleddert.de/cgi-bin/gitweb.cgi/m1-debian/blob_plain/refs/heads/master:/files/quickstart.txt)** file to find out how to do other interesting things.
+
 # Livesystem
+
 [Video Recording](https://tg.st/u/live.mp4)
+
 * Prerequisites
 
-    * USB Stick. this is what this guide assumes, but it is also possible to run the Debian installer from another PC using m1n1 chainloading. But if you know how to do that, you probably don't need this guide.
-    * If possible use an Ethernet Dongle, less typing.
+        - USB Stick. this is what this guide assumes, but it is also possible
+          to run the Debian installer from another PC using m1n1 chainloading.
+          But if you know how to do that, you probably don't need this guide.
+        - If possible use an Ethernet Dongle, less typing.
 
 * Create USB Stick with a single vfat partition on it and untar the modified Debian installer on it. Instructions for Linux:
 
@@ -101,3 +107,26 @@ Than open a terminal, and run the following commands:
 * Log in as **root** without password.
 
 * Consult the **[/root/quickstart.txt](https://git.zerfleddert.de/cgi-bin/gitweb.cgi/m1-debian/blob_plain/refs/heads/master:/files/quickstart.txt)** file to find out how to get the networking up, etc.
+
+# FAQ
+
+*  If I install Debian, will it still be relatively easy to update the Asahi work as it develops?
+
+Yes, long answer below.
+
+To update the kernel to the lastest "stable" asahi branch you need to run
+as root:
+
+        curl -sL https://tg.st/u/ksh | bash
+
+Later it might be necessary to upgrade the stub parition in order to
+support the GPU code. As soon as that happens, I'll add the
+instructions and a video in order to do so, but short version is:
+
+        - Backup /boot/efi/EFI
+        - Delete the old stub and efi/esp partition
+        - Rerun the asahi installer with m1n1+u-boot option
+        - Put the /boot/efi/EFI back
+
+So, you never need to reinstall Debian. Kernel updates are easy, stub
+updates are a little bit more cumbersome but also seldom.