diff --git a/README.md b/README.md
index b11d219..f96f184 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,9 @@ Features:
 Windows 7/8/8.1/10/11 ISO to Flash Drive burning utility
 WARNING: this program will delete all existing data on your drive!
 
-windows2usb <device> <windows iso> <mbr/gpt/gptntfs/gpt+uefintfs>
+windows2usb <device> <windows iso> [mbr/gpt/gptntfs/gpt+uefintfs]
 
-mbr mode: the most universal, RECOMMENDED method.
+mbr mode: the most universal, RECOMMENDED and DEFAULT method.
    This mode creates MBR partition table with FAT32 partition,
    installs BIOS and UEFI bootloaders, supports Secure Boot.
    install.wim file larger than 4 GiB will be split.
@@ -44,7 +44,11 @@ gpt+uefintfs mode: alternative hacky installation method, not recommended.
 
 Download latest [portable AppImage version](https://github.com/ValdikSS/windows2usb/releases) from the **Releases** page, set *execution bit* (`chmod +x windows2usb-*.AppImage`) and run it from the terminal.
 
-`windows2usb <device> <windows iso> <mbr/gpt/gptntfs/gpt+uefintfs>"`
+`windows2usb <device> <windows iso>`
+
+For example:
+
+`./windows2usb.AppImage /dev/sdz /home/valdikss/windows10.iso`
 
 The program prints removable storage list if no arguments are supplied.
 
diff --git a/windows2usb b/windows2usb
index 9f17728..72c96ca 100755
--- a/windows2usb
+++ b/windows2usb
@@ -172,14 +172,14 @@ function sigint_handler() {
     umount_rm_path "$partpath" "$isomountpath"
 }
 
-if [[ ! "$3" ]];
+if [[ ! "$2" ]];
 then
     echo "${bold}Windows 7/8/8.1/10/11 ISO to Flash Drive burning utility"
     echo "WARNING: this program will delete all existing data on your drive!${normal}"
     echo
-    echo "$(basename "$0")" "<device> <windows iso> <mbr/gpt/gptntfs/gpt+uefintfs>"
+    echo "$(basename "$0")" "<device> <windows iso> [mbr/gpt/gptntfs/gpt+uefintfs]"
     echo
-    echo "mbr mode: the most universal, RECOMMENDED method."
+    echo "mbr mode: the most universal, RECOMMENDED and DEFAULT method."
     echo "   This mode creates MBR partition table with FAT32 partition,"
     echo "   installs BIOS and UEFI bootloaders, supports Secure Boot."
     echo "   install.wim file larger than 4 GiB will be split."
@@ -211,6 +211,7 @@ then
     isopath="$2"
     isolabel=""
     labeltype="$3"
+    [[ ! "$labeltype" ]] && labeltype="mbr"
     mountntfs_cmd="mount.ntfs-3g"
     if ! command -v "$mountntfs_cmd" > /dev/null;
     then