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-rw-r--r--doc/mkimage.16
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/mkimage.1 b/doc/mkimage.1
index f9c733a5e6..b67a35178a 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -97,6 +97,12 @@ Set XIP (execute in place) flag.
.B Create FIT image:
.TP
+.BI "\-c [" "comment" "]"
+Specifies a comment to be added when signing. This is typically a useful
+message which describes how the image was signed or some other useful
+information.
+
+.TP
.BI "\-D [" "dtc options" "]"
Provide special options to the device tree compiler that is used to
create the image.