docs: fix some comments (#2391)

Co-authored-by: DylanYong <dylan.y@nodereal.io>

p2p/host/basic/basic_host.go

@@ -591,7 +591,7 @@ func (h *BasicHost) EventBus() event.Bus {
 //
 //	host.Mux().SetHandler(proto, handler)
 //
-// (Threadsafe)
+// (Thread-safe)
 func (h *BasicHost) SetStreamHandler(pid protocol.ID, handler network.StreamHandler) {
 	h.Mux().AddHandler(pid, func(p protocol.ID, rwc io.ReadWriteCloser) error {
 		is := rwc.(network.Stream)
@@ -627,7 +627,7 @@ func (h *BasicHost) RemoveStreamHandler(pid protocol.ID) {
 // NewStream opens a new stream to given peer p, and writes a p2p/protocol
 // header with given protocol.ID. If there is no connection to p, attempts
 // to create one. If ProtocolID is "", writes no header.
-// (Threadsafe)
+// (Thread-safe)
 func (h *BasicHost) NewStream(ctx context.Context, p peer.ID, pids ...protocol.ID) (network.Stream, error) {
 	// Ensure we have a connection, with peer addresses resolved by the routing system (#207)
 	// It is not sufficient to let the underlying host connect, it will most likely not have