diff --git a/syncoid b/syncoid
index 3f6f9ba..156c694 100755
--- a/syncoid
+++ b/syncoid
@@ -1501,8 +1501,8 @@ Options:
   --identifier=EXTRA    Extra identifier which is included in the snapshot name. Can be used for replicating to multiple targets.
   --recursive|r         Also transfers child datasets
   --skip-parent         Skips syncing of the parent dataset. Does nothing without '--recursive' option.
-  --source-bwlimit=<limit k|m|g|t>  Bandwidth limit on the source transfer
-  --target-bwlimit=<limit k|m|g|t>  Bandwidth limit on the target transfer
+  --source-bwlimit=<limit k|m|g|t>  Bandwidth limit in bytes/kbytes/etc per second on the source transfer
+  --target-bwlimit=<limit k|m|g|t>  Bandwidth limit in bytes/kbytes/etc per second on the target transfer
   --mbuffer-size=VALUE  Specify the mbuffer size (default: 16M), please refer to mbuffer(1) manual page.
   --no-stream           Replicates using newest snapshot instead of intermediates
   --no-sync-snap        Does not create new snapshot, only transfers existing