Fix Windows boot recovery instructions (#362)

The BCD path was not correctly specified.

Also write the full Diskpart command instead of abbreviating.

Signed-off-by: Tu Dinh <ngoc-tu.dinh@vates.tech>

Author: dinhngtu

docs/troubleshooting/windows-pv-tools.md

@@ -136,17 +136,17 @@ This is often caused by the Windows boot loader failing to find the Windows part
 From the recovery menu, open Command Prompt, then use `diskpart` to assign drive letters to the EFI system partition:
 
 ```
-list vol
-sel vol N  # N = number of volume with info = "System"
+list volume
+select volume N  # N = number of volume with info = "System"
 assign letter=S
 exit
 ```
 
 After exiting Diskpart, use the following commands:
 
 ```bat
-bcdedit /store S:\EFI\Microsoft\Boot /set {default} device=partition=C:
-bcdedit /store S:\EFI\Microsoft\Boot /set {default} osdevice=partition=C:
+bcdedit /store S:\EFI\Microsoft\Boot\BCD /set {default} device=partition=C:
+bcdedit /store S:\EFI\Microsoft\Boot\BCD /set {default} osdevice=partition=C:
 ```
 
 After exiting to Windows, your system should boot successfully.