Comment mount example configuration

Signed-off-by: Fredrik Lönnegren <fredrik.lonnegren@suse.com>

config.yaml.example

@@ -127,13 +127,14 @@ upgrade:
 # configuration used for the 'mount' command
 mount:
   read-kernel-cmdline: true # read and parse /proc/cmdline for arguments
-  sysroot: /sysroot
-  write-fstab: true
-  run-cloud-init: true
+  sysroot: /sysroot # Path to mount system to
+  write-fstab: true # Write fstab into sysroot/etc/fstab
+  run-cloud-init: true # Run rootfs stage
+  run-fsck: true # Run fsck on all partitions before mounting
   overlay:
     type: tmpfs # tmpfs|block
-    device: /dev/sda6 # used when type is set to block
-    size: 25% # used when type is set to tmpfs
+    device: /dev/sda6 # Block device used to store overlay. Used when type is set to block
+    size: 25% # Size of tmpfs as percentag of system memory. Used when type is set to tmpfs
     paths:
       - /var
       - /etc