Clarifications for set_nonblocking methods

Author: YohDeadfall

library/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

library/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