doc: blkmap: Fix typo in command example
Fixed a variable that was incorrect during the calculation of fileblks.
Signed-off-by: Ken Kurematsu <k.kurematsu@nskint.co.jp>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
diff --git a/doc/usage/blkmap.rst b/doc/usage/blkmap.rst
index 7337ea5..75f736c 100644
--- a/doc/usage/blkmap.rst
+++ b/doc/usage/blkmap.rst
@@ -54,7 +54,7 @@
::
setexpr fileblks ${filesize} + 0x1ff
- setexpr fileblks ${filesize} / 0x200
+ setexpr fileblks ${fileblks} / 0x200
Then we can add a mapping to the start of our device, backed by the
memory at `${loadaddr}`: