diff --git a/src/config.txt b/src/config.txt
index 5ea534f..7957b5c 100644
--- a/src/config.txt
+++ b/src/config.txt
@@ -1,3 +1,7 @@
+# 
+# https://www.raspberrypi.com/documentation/computers/config_txt.html
+#
+
 [all]
 boot_delay=0
 disable_splash=1
@@ -9,18 +13,14 @@ disable_overscan=0
 # Use 64-bit for RPi 3, 4, 400 and Zero 2, and 32-bit for all other models
 #
 
-[pi02]
-kernel=kernel7.img
-
 [pi3]
 arm_64bit=1
-kernel=kernel8.img
-
-[pi3+]
-arm_64bit=1
-kernel=kernel8.img
 
 [pi4]
 arm_64bit=1
 armstub=armstub8-rpi4.bin
 kernel=kernel8-rpi4.img
+
+# Zero 2 W
+[pi02]
+arm_64bit=1