diff --git a/std/src/net/tcp.rs b/std/src/net/tcp.rs
index 06ed4f6a03d43..f81a13d4c44a6 100644
--- a/std/src/net/tcp.rs
+++ b/std/src/net/tcp.rs
@@ -561,7 +561,7 @@ impl TcpStream {
 
     /// Moves this TCP stream into or out of nonblocking mode.
     ///
-    /// This will result in `read`, `write`, `recv` and `send` operations
+    /// This will result in `read`, `write`, `recv` and `send` system operations
     /// becoming nonblocking, i.e., immediately returning from their calls.
     /// If the IO operation is successful, `Ok` is returned and no further
     /// action is required. If the IO operation could not be completed and needs
diff --git a/std/src/net/udp.rs b/std/src/net/udp.rs
index 8c9e31f9c157c..b78e52023b359 100644
--- a/std/src/net/udp.rs
+++ b/std/src/net/udp.rs
@@ -764,7 +764,7 @@ impl UdpSocket {
 
     /// Moves this UDP socket into or out of nonblocking mode.
     ///
-    /// This will result in `recv`, `recv_from`, `send`, and `send_to`
+    /// This will result in `recv`, `recv_from`, `send`, and `send_to` system
     /// operations becoming nonblocking, i.e., immediately returning from their
     /// calls. If the IO operation is successful, `Ok` is returned and no
     /// further action is required. If the IO operation could not be completed