diff --git a/options.c b/options.c
index 546f63d..22d07bc 100644
--- a/options.c
+++ b/options.c
@@ -775,7 +775,7 @@ void usage(enum logcode F)
   rprintf(F,"     --log-file-format=FMT   log updates using the specified FMT\n");
   rprintf(F,"     --password-file=FILE    read daemon-access password from FILE\n");
   rprintf(F,"     --list-only             list the files instead of copying them\n");
-  rprintf(F,"     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second\n");
+  rprintf(F,"     --bwlimit=KiB/s         limit I/O bandwidth; kibibytes per second\n");
   rprintf(F,"     --write-batch=FILE      write a batched update to FILE\n");
   rprintf(F,"     --only-write-batch=FILE like --write-batch but w/o updating destination\n");
   rprintf(F,"     --read-batch=FILE       read a batched update from FILE\n");
@@ -1029,7 +1029,7 @@ static void daemon_usage(enum logcode F)
   rprintf(F,"\n");
   rprintf(F,"Usage: rsync --daemon [OPTION]...\n");
   rprintf(F,"     --address=ADDRESS       bind to the specified address\n");
-  rprintf(F,"     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second\n");
+  rprintf(F,"     --bwlimit=KiB/s         limit I/O bandwidth; kibibytes per second\n");
   rprintf(F,"     --config=FILE           specify alternate rsyncd.conf file\n");
   rprintf(F," -M, --dparam=OVERRIDE       override global daemon config parameter\n");
   rprintf(F,"     --no-detach             do not detach from the parent\n");
diff --git a/rsync.yo b/rsync.yo
index 8a25a8c..114070b 100644
--- a/rsync.yo
+++ b/rsync.yo
@@ -430,7 +430,7 @@ to the detailed description below for a complete description.  verb(
      --log-file-format=FMT   log updates using the specified FMT
      --password-file=FILE    read daemon-access password from FILE
      --list-only             list the files instead of copying them
-     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second
+     --bwlimit=KiB/s         limit I/O bandwidth; kibibytes per second
      --write-batch=FILE      write a batched update to FILE
      --only-write-batch=FILE like --write-batch but w/o updating dest
      --read-batch=FILE       read a batched update from FILE
@@ -446,7 +446,7 @@ Rsync can also be run as a daemon, in which case the following options are
 accepted: verb(
      --daemon                run as an rsync daemon
      --address=ADDRESS       bind to the specified address
-     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second
+     --bwlimit=KiB/s         limit I/O bandwidth; kibibytes per second
      --config=FILE           specify alternate rsyncd.conf file
  -M, --dparam=OVERRIDE       override global daemon config parameter
      --no-detach             do not detach from the parent
@@ -2273,8 +2273,8 @@ avoid this problem, either specify the bf(--no-dirs) option (if you don't
 need to expand a directory's content), or turn on recursion and exclude
 the content of subdirectories: bf(-r --exclude='/*/*').
 
-dit(bf(--bwlimit=KBPS)) This option allows you to specify a maximum
-transfer rate in kilobytes per second. This option is most effective when
+dit(bf(--bwlimit=KiB/s)) This option allows you to specify a maximum
+transfer rate in kibibytes per second. This option is most effective when
 using rsync with large files (several megabytes and up). Due to the nature
 of rsync transfers, blocks of data are sent, then if rsync determines the
 transfer was too fast, it will wait before sending the next data block. The
@@ -2387,7 +2387,7 @@ allows you to specify a specific IP address (or hostname) to bind to.  This
 makes virtual hosting possible in conjunction with the bf(--config) option.
 See also the "address" global option in the rsyncd.conf manpage.
 
-dit(bf(--bwlimit=KBPS)) This option allows you to specify a maximum
+dit(bf(--bwlimit=KiB/s)) This option allows you to specify a maximum
 transfer rate in kilobytes per second for the data the daemon sends.
 The client can still specify a smaller bf(--bwlimit) value, but their
 requested value will be rounded down if they try to exceed it.  See the