multi: fix a-vs-an typos

routing/chainview/interface.go

@@ -19,7 +19,7 @@ type FilteredChainView interface {
 	// sent over. Each time a block is connected to the end of a main
 	// chain, and appropriate FilteredBlock which contains the transactions
 	// which mutate our watched UTXO set is to be returned. In case of a
-	// UpdateFilter call with a updateHeight lower than the current best
+	// UpdateFilter call with an updateHeight lower than the current best
 	// height, blocks with the updated filter will be resent, and must be
 	// handled by the receiver as an update to an already known block, NOT
 	// as a new block being connected to the chain.

routing/chainview/neutrino.go

@@ -55,7 +55,7 @@ var _ FilteredChainView = (*CfFilteredChainView)(nil)
 // NewCfFilteredChainView creates a new instance of the CfFilteredChainView
 // which is connected to an active neutrino node.
 //
-// NOTE: The node should already be running an syncing before being passed into
+// NOTE: The node should already be running and syncing before being passed into
 // this function.
 func NewCfFilteredChainView(node *neutrino.ChainService) (*CfFilteredChainView, error) {
 	return &CfFilteredChainView{
@@ -93,7 +93,7 @@ func (c *CfFilteredChainView) Start() error {
 	}
 
 	// Next, we'll create our set of rescan options. Currently it's
-	// required that a user MUST set a addr/outpoint/txid when creating a
+	// required that an user MUST set a addr/outpoint/txid when creating a
 	// rescan. To get around this, we'll add a "zero" outpoint, that won't
 	// actually be matched.
 	var zeroPoint wire.OutPoint

routing/errors.go

@@ -61,7 +61,7 @@ func (e *routerError) Error() string {
 // A compile time check to ensure routerError implements the error interface.
 var _ error = (*routerError)(nil)
 
-// newErr creates an routerError by the given error description and its
+// newErr creates a routerError by the given error description and its
 // corresponding error code.
 func newErr(code errorCode, a interface{}) *routerError {
 	return &routerError{
@@ -70,7 +70,7 @@ func newErr(code errorCode, a interface{}) *routerError {
 	}
 }
 
-// newErrf creates an routerError by the given error formatted description and
+// newErrf creates a routerError by the given error formatted description and
 // its corresponding error code.
 func newErrf(code errorCode, format string, a ...interface{}) *routerError {
 	return &routerError{

routing/router.go

@@ -1697,7 +1697,7 @@ func (r *ChannelRouter) SendPayment(payment *LightningPayment) ([32]byte, *Route
 
 			// If the onion error includes a channel update, and
 			// isn't necessarily fatal, then we'll apply the update
-			// an continue with the rest of the routes.
+			// and continue with the rest of the routes.
 			case *lnwire.FailAmountBelowMinimum:
 				update := onionErr.Update
 				if err := r.applyChannelUpdate(&update); err != nil {

routing/validation_barrier.go

@@ -44,7 +44,7 @@ type ValidationBarrier struct {
 
 // NewValidationBarrier creates a new instance of a validation barrier given
 // the total number of active requests, and a quit channel which will be used
-// to know when to kill an pending, but unfilled jobs.
+// to know when to kill pending, but unfilled jobs.
 func NewValidationBarrier(numActiveReqs int,
 	quitChan chan struct{}) *ValidationBarrier {