p2p: small comment typo (#26850)

Update server.go

Author: panicalways

p2p/server.go

@@ -1057,7 +1057,7 @@ func (srv *Server) runPeer(p *Peer) {
 	// Broadcast peer drop to external subscribers. This needs to be
 	// after the send to delpeer so subscribers have a consistent view of
 	// the peer set (i.e. Server.Peers() doesn't include the peer when the
-	// event is received.
+	// event is received).
 	srv.peerFeed.Send(&PeerEvent{
 		Type:          PeerEventTypeDrop,
 		Peer:          p.ID(),