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-rw-r--r--doc/coreutils.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 935129f25..c9c61cef0 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -7573,6 +7573,9 @@ This makes @command{dd} write @var{bytes} per block.
Set both input and output block sizes to @var{bytes}.
This makes @command{dd} read and write @var{bytes} per block,
overriding any @samp{ibs} and @samp{obs} settings.
+In addition, if no data-transforming @option{conv} option is specified,
+each input block is copied to the output as a single block,
+without aggregating short reads.
@item cbs=@var{bytes}
@opindex cbs