diff --git a/examples/ping-tun-offload-tokio.rs b/examples/ping-tun-offload-tokio.rs
index 1967a70..1c5403b 100644
--- a/examples/ping-tun-offload-tokio.rs
+++ b/examples/ping-tun-offload-tokio.rs
@@ -32,6 +32,7 @@ async fn main_entry(mut quit: Receiver<()>) -> Result<(), BoxError> {
     config
         .address_with_prefix((10, 0, 0, 9), 24)
         .platform_config(|config| {
+            // After enabling the offload, you need to use recv_multiple and send_multiple to read and write data.
             config.offload(true);
         })
         .mtu(1500)
diff --git a/examples/read-offload.rs b/examples/read-offload.rs
index 49a2d91..dce8c97 100644
--- a/examples/read-offload.rs
+++ b/examples/read-offload.rs
@@ -35,6 +35,7 @@ fn main_entry(quit: Receiver<()>) -> Result<(), BoxError> {
     config
         .address_with_prefix("10.0.0.2", 24u8)
         .platform_config(|config| {
+            // After enabling the offload, you need to use recv_multiple and send_multiple to read and write data.
             config.offload(true);
         })
         .mtu(1500)
diff --git a/src/platform/linux/device.rs b/src/platform/linux/device.rs
index 42047b0..9347524 100644
--- a/src/platform/linux/device.rs
+++ b/src/platform/linux/device.rs
@@ -181,7 +181,7 @@ impl Device {
     }
     /// send multiple fragmented data packets.
     /// GROTable can be reused, as it is used to assist in data merging.
-    /// Offset is the starting position of the data. Need to meet offset>10.
+    /// Offset is the starting position of the data. Need to meet offset>=10.
     pub fn send_multiple<B: ExpandBuffer>(
         &self,
         gro_table: &mut GROTable,