diff --git a/src/main.rs b/src/main.rs
index 1335d8207..2917191cd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -182,7 +182,7 @@ pub struct TopLevel {
     disk: Vec<String>,
 
     #[argh(option, long = "net")]
-    /// tap=<if_name>, ip=<ip_addr>, mask=<net_mask>, mac=<mac_addr>, fd=<fd1,fd2...>, iommu=on|off, num_queues=<number_of_queues>, queue_size=<size_of_each_queue>, id=<device_id>, vhost_user=<vhost_user_enable>, socket=<vhost_user_socket_path>, vhost_mode=client|server, bw_size=<bytes>, bw_one_time_burst=<bytes>, bw_refill_time=<ms>, ops_size=<io_ops>, ops_one_time_burst=<io_ops>, ops_refill_time=<ms>, pci_segment=<segment_id>offload_tso=on|off, offload_ufo=on|off, offload_csum=on|off
+    /// tap=<if_name>, ip=<ip_addr>, mask=<net_mask>, mac=<mac_addr>, fd=<fd1,fd2...>, iommu=on|off, num_queues=<number_of_queues>, queue_size=<size_of_each_queue>, id=<device_id>, vhost_user=<vhost_user_enable>, socket=<vhost_user_socket_path>, vhost_mode=client|server, bw_size=<bytes>, bw_one_time_burst=<bytes>, bw_refill_time=<ms>, ops_size=<io_ops>, ops_one_time_burst=<io_ops>, ops_refill_time=<ms>, pci_segment=<segment_id>, offload_tso=on|off, offload_ufo=on|off, offload_csum=on|off
     net: Vec<String>,
 
     #[argh(option, long = "rng", default = "default_rng()")]