multi: Fix typos [skip ci]

lnrpc/routerrpc/driver.go

@@ -33,7 +33,7 @@ func createNewSubServer(configRegistry lnrpc.SubServerConfigDispatcher) (
 	}
 
 	// Before we try to make the new router service instance, we'll perform
-	// some sanity checks on the arguments to ensure that they're useable.
+	// some sanity checks on the arguments to ensure that they're usable.
 	switch {
 	case config.Router == nil:
 		return nil, nil, fmt.Errorf("Router must be set to create " +

lnrpc/routerrpc/forward_interceptor.go

@@ -59,7 +59,7 @@ func newForwardInterceptor(server *Server, stream Router_HtlcInterceptorServer)
 }
 
 // run sends the intercepted packets to the client and receives the
-// corersponding responses. On one hand it regsitered itself as an interceptor
+// corersponding responses. On one hand it registered itself as an interceptor
 // that receives the switch packets and on the other hand launches a go routine
 // to read from the client stream.
 // To coordinate all this and make sure it is safe for concurrent access all

lnrpc/routerrpc/router_backend.go

@@ -132,7 +132,7 @@ type MissionControl interface {
 
 // QueryRoutes attempts to query the daemons' Channel Router for a possible
 // route to a target destination capable of carrying a specific amount of
-// satoshis within the route's flow. The retuned route contains the full
+// satoshis within the route's flow. The returned route contains the full
 // details required to craft and send an HTLC, also including the necessary
 // information that should be present within the Sphinx packet encapsulated
 // within the HTLC.

lnrpc/routerrpc/router_server.go

@@ -666,7 +666,7 @@ func getMsatPairValue(msatValue lnwire.MilliSatoshi,
 		return msatValue, nil
 	}
 
-	// If we have no msatValue, we can just return our sate value even if
+	// If we have no msatValue, we can just return our state value even if
 	// it is zero, because it's impossible that we have mismatched values.
 	if msatValue == 0 {
 		return lnwire.MilliSatoshi(satValue * 1000), nil
@@ -879,7 +879,7 @@ func (s *Server) SubscribeHtlcEvents(req *SubscribeHtlcEventsRequest,
 // requests to the caller.
 // Upon connection it does the following:
 // 1. Check if there is already a live stream, if yes it rejects the request.
-// 2. Regsitered a ForwardInterceptor
+// 2. Registered a ForwardInterceptor
 // 3. Delivers to the caller every √√ and detect his answer.
 // It uses a local implementation of holdForwardsStore to keep all the hold
 // forwards and find them when manual resolution is later needed.