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-rw-r--r--doc/usage/mmc.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/usage/mmc.rst b/doc/usage/mmc.rst
index 57284ed674..458c7642c0 100644
--- a/doc/usage/mmc.rst
+++ b/doc/usage/mmc.rst
@@ -40,7 +40,7 @@ The 'mmc write' command writes raw data to MMC device from memory address with b
cnt
block count
-The 'mmc erase' command erases MMC device from block offset until count.
+The 'mmc erase' command erases *cnt* blocks on the MMC device starting at block *blk#*.
blk#
start block offset
@@ -110,6 +110,7 @@ The 'mmc partconf' command shows or changes PARTITION_CONFIG field.
partitions to access
The 'mmc bootpart-resize' command changes sizes of boot and RPMB partitions.
+
dev
device number
boot part size MB