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 (file)
--- a/doc/usage/blkmap.rst
+++ b/doc/usage/blkmap.rst
@@ -54,7 +54,7 @@ downloaded file, in blocks:
 ::
 
    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}`: