diff --git a/doc/board/emulation/qemu_capsule_update.rst b/doc/board/emulation/qemu_capsule_update.rst
index 33ce4bcd32eaf3e53ee5561f4a1d5ce2ad8ee511..0a2286d039d98cf7221f3d57e9cc7056fe032228 100644
--- a/doc/board/emulation/qemu_capsule_update.rst
+++ b/doc/board/emulation/qemu_capsule_update.rst
@@ -39,16 +39,9 @@ In addition, the following config needs to be disabled(QEMU ARM specific)::
 
     CONFIG_TFABOOT
 
-The capsule file can be generated by using the GenerateCapsule.py
-script in EDKII::
-
-    $ ./BaseTools/BinWrappers/PosixLike/GenerateCapsule -e -o \
-    <capsule_file_name> --fw-version <val> --lsv <val> --guid \
-    e2bb9c06-70e9-4b14-97a3-5a7913176e3f --verbose --update-image-index \
-    <val> --verbose <u-boot.bin>
+The capsule file can be generated by using the tools/mkeficapsule::
 
-The above is a wrapper script(GenerateCapsule) which eventually calls
-the actual GenerateCapsule.py script.
+    $ mkeficapsule --raw <u-boot.bin> --index 1 <capsule_file_name>
 
 As per the UEFI specification, the capsule file needs to be placed on
 the EFI System Partition, under the \EFI\UpdateCapsule directory. The