dohdns.go: multiple typo fixes

app/dns/dohdns.go

@@ -27,9 +27,9 @@ import (
 	"v2ray.com/core/transport/internet"
 )
 
-// DoHNameServer implimented DNS over HTTPS (RFC8484) Wire Format,
-// which is compatiable with traditional dns over udp(RFC1035),
-// thus most of the DOH implimentation is copied from udpns.go
+// DoHNameServer implemented DNS over HTTPS (RFC8484) Wire Format,
+// which is compatible with traditional dns over udp(RFC1035),
+// thus most of the DOH implementation is copied from udpns.go
 type DoHNameServer struct {
 	sync.RWMutex
 	ips        map[string]record
@@ -48,11 +48,11 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.
 	newError("DNS: created Remote DOH client for ", url.String()).AtInfo().WriteToLog()
 	s := baseDOHNameServer(url, "DOH", clientIP)
 
-	// Dispatched connection will be closed (interupted) after each request
-	// This makes DOH inefficient without a keeped-alive connection
+	// Dispatched connection will be closed (interrupted) after each request
+	// This makes DOH inefficient without a keep-alived connection
 	// See: core/app/proxyman/outbound/handler.go:113
 	// Using mux (https request wrapped in a stream layer) improves the situation.
-	// Recommand to use NewDoHLocalNameServer (DOHL:) if v2ray instance is running on
+	// Recommend to use NewDoHLocalNameServer (DOHL:) if v2ray instance is running on
 	//  a normal network eg. the server side of v2ray
 	tr := &http.Transport{
 		MaxIdleConns:        30,
@@ -191,7 +191,7 @@ func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 			updated = true
 		}
 	}
-	newError(s.name, " got answere: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed).AtInfo().WriteToLog()
+	newError(s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed).AtInfo().WriteToLog()
 
 	if updated {
 		s.ips[req.domain] = rec