chore: fix typos

Pull-Request: #5021.

Author: bodhi-crypo

libp2p/src/transport_ext.rs

@@ -33,7 +33,7 @@ use std::sync::Arc;
 /// Trait automatically implemented on all objects that implement `Transport`. Provides some
 /// additional utilities.
 pub trait TransportExt: Transport {
-    /// Adds a layer on the `Transport` that logs all trafic that passes through the streams
+    /// Adds a layer on the `Transport` that logs all traffic that passes through the streams
     /// created by it.
     ///
     /// This method returns an `Arc<BandwidthSinks>` that can be used to retrieve the total number

protocols/relay/src/behaviour.rs

@@ -202,12 +202,12 @@ pub enum Event {
         dst_peer_id: PeerId,
         error: inbound_hop::Error,
     },
-    /// An inbound cirucit request has been accepted.
+    /// An inbound circuit request has been accepted.
     CircuitReqAccepted {
         src_peer_id: PeerId,
         dst_peer_id: PeerId,
     },
-    /// An outbound connect for an inbound cirucit request failed.
+    /// An outbound connect for an inbound circuit request failed.
     #[deprecated(
         note = "Will be removed in favor of logging them internally, see <https://github.com/libp2p/rust-libp2p/issues/4757> for details."
     )]