Just swapped quotation marks. Easier to copy paste into JSON syntax highlighting.

archinstall/lib/disk/user_guides.py

@@ -48,10 +48,10 @@ def suggest_single_disk_layout(block_device, default_filesystem=None):
 			# https://github.com/classy-giraffe/easy-arch/blob/main/easy-arch.sh
 			layout[block_device.path]['partitions'][1]['btrfs'] = {
 				"subvolumes" : {
-					'@home' : '/home',
-					'@log' : '/var/log',
-					'@pkgs' : '/var/cache/pacman/pkg',
-					'@.snapshots' : '/.snapshots'
+					"@home" : "/home",
+					"@log" : "/var/log",
+					"@pkgs" : "/var/cache/pacman/pkg",
+					"@.snapshots" : "/.snapshots"
 				}
 			}
 		else: