diff --git a/extroot/extroot.txt b/extroot/README.md
similarity index 78%
rename from extroot/extroot.txt
rename to extroot/README.md
index ece5550..bfd2849 100644
--- a/extroot/extroot.txt
+++ b/extroot/README.md
@@ -1,13 +1,6 @@
-OpenWrt 24.x Extroot on XE300
+# OpenWRT 24.10.0 Extroot on XE-300
 
-Goal: Use a microSD card as the router's writable storage (overlay),
-single ext4 partition, no data copied from internal flash.
-
-Device: GL-iNet XE300, OpenWRT 24.10.4, 512 Gb SD Card
-
-Detected as: /dev/sda with one partition /dev/sda1
-
-1. Insert card & install required packages
+## 1. Insert card & install required packages
 
 opkg update
 opkg install block-mount kmod-fs-ext4 kmod-usb-storage e2fsprogs
@@ -17,7 +10,7 @@ kmod-fs-ext4 - kernel driver for ext4 filesystem
 kmod-usb-storage -  makes the SD slot show up as /dev/sda
 e2fsprogs - provides mkfs.ext4
 
-2. Confirm the SD card is /dev/sda and /dev/sda1
+## 2. Confirm the SD card is /dev/sda and /dev/sda1
 
 Check dmesg:
 
@@ -30,12 +23,12 @@ sda: sda1
 sd 0:0:0:0: [sda] Attached SCSI removable disk
 
 
-3. Format /dev/sda1 as ext4 for extroot
+## 3. Format /dev/sda1 as ext4 for extroot
 mkfs.ext4 -L extroot /dev/sda1
 
 You should see output ending with success and a UUID.
 
-4. Grab the UUID and create the extroot fstab entry
+## 4. Grab the UUID and create the extroot fstab entry
 UUID=$(block info | awk -F\" '/sda1/ {print $2}')
 echo $UUID
 
@@ -73,13 +66,13 @@ config mount 'extroot'
     option enabled '1'
 
 
-5. Reboot into extroot
+## 5. Reboot into extroot
 
 reboot
 
 Wait for the router to come back up, then SSH in again.
 
-6. Verify that the SD card is now your root overlay
+## 6. Verify that the SD card is now your root overlay
 
 df -h