reword

Author: usamoi

library/std/src/sync/mpmc/mod.rs

@@ -360,10 +360,9 @@ impl<T> Sender<T> {
     /// that a return value of [`Err`] means that the data will never be
     /// received, but a return value of [`Ok`] does *not* mean that the data
     /// will be received. It is possible for the corresponding receiver to
-    /// hang up immediately after this function returns [`Ok`]. If the channel
-    /// is zero-capacity, however, the channel becomes a rendezvous channel and
-    /// it guarantees that the receiver has indeed received the data if this
-    /// function returns success.
+    /// hang up immediately after this function returns [`Ok`]. However, if
+    /// the channel is zero-capacity, it acts as a rendezvous channel and a
+    /// return value of [`Ok`] means that the data is successfully received.
     ///
     /// If the channel is full and not disconnected, this call will block until
     /// the send operation can proceed. If the channel becomes disconnected,