multi: fix several typos in godoc comments

routing/chainview/interface.go

@@ -5,7 +5,7 @@ import (
 	"github.com/roasbeef/btcd/wire"
 )
 
-// FilteredChainView repersents a subscription to a certain subset of of the
+// FilteredChainView represents a subscription to a certain subset of of the
 // UTXO set for a particular chain. This interface is useful from the point of
 // view of maintaining an up-to-date channel graph for the Lighting Network.
 // The subset of the UTXO to be subscribed is that of all the currently opened

routing/notifications.go

@@ -51,7 +51,7 @@ type topologyClientUpdate struct {
 }
 
 // SubscribeTopology returns a new topology client which can be used by the
-// caller to receive notifications when ever a change in the channel graph
+// caller to receive notifications whenever a change in the channel graph
 // topology occurs. Changes that will be sent at notifications include: new
 // nodes appearing, node updating their attributes, new channels, channels
 // closing, and updates in the routing policies of a channel's directed edges.

routing/pathfind.go

@@ -109,7 +109,7 @@ type Route struct {
 
 	// TotalFees is the sum of the fees paid at each hop within the final
 	// route. In the case of a one-hop payment, this value will be zero as
-	// we don't need to pay a fee it ourself.
+	// we don't need to pay a fee to ourself.
 	TotalFees lnwire.MilliSatoshi
 
 	// TotalAmount is the total amount of funds required to complete a

routing/pathfind_test.go

@@ -690,7 +690,7 @@ func TestRouteFailDisabledEdge(t *testing.T) {
 		t.Fatalf("unable to update edge: %v", err)
 	}
 
-	// Now, if we attempt to route throuhg that edge, we should get a
+	// Now, if we attempt to route through that edge, we should get a
 	// failure as it is no longer elligble.
 	_, err = findPath(nil, graph, sourceNode, target, ignoredVertexes,
 		ignoredEdges, payAmt)

routing/router.go

@@ -32,9 +32,9 @@ const (
 	DefaultFinalCLTVDelta = 9
 )
 
-// ChannelGraphSource represent the source of information about the topology of
-// lightning network, it responsible for addition of nodes, edges
-// and applying edges updates, return the current block with with out
+// ChannelGraphSource represents the source of information about the topology of
+// the lightning network. It's responsible for the addition of nodes, edges,
+// applying edge updates, and returning the current block height with which the
 // topology is synchronized.
 type ChannelGraphSource interface {
 	// AddNode is used to add information about a node to the router
@@ -56,7 +56,7 @@ type ChannelGraphSource interface {
 	UpdateEdge(policy *channeldb.ChannelEdgePolicy) error
 
 	// ForAllOutgoingChannels is used to iterate over all channels
-	// eminating from the "source" node which is the center of the
+	// emanating from the "source" node which is the center of the
 	// star-graph.
 	ForAllOutgoingChannels(cb func(c *channeldb.ChannelEdgeInfo,
 		e *channeldb.ChannelEdgePolicy) error) error
@@ -79,7 +79,7 @@ type ChannelGraphSource interface {
 }
 
 // FeeSchema is the set fee configuration for a Lighting Node on the network.
-// Using the coefficients described within he schema, the required fee to
+// Using the coefficients described within the schema, the required fee to
 // forward outgoing payments can be derived.
 type FeeSchema struct {
 	// BaseFee is the base amount of milli-satoshis that will be chained
@@ -1331,7 +1331,7 @@ type LightningPayment struct {
 	// FinalCLTVDelta is the CTLV expiry delta to use for the _final_ hop
 	// in the route. This means that the final hop will have a CLTV delta
 	// of at least: currentHeight + FinalCLTVDelta. If this value is
-	// unspcified, then a default value of DefaultFinalCLTVDelta will be
+	// unspecified, then a default value of DefaultFinalCLTVDelta will be
 	// used.
 	FinalCLTVDelta *uint16
 
@@ -1740,7 +1740,7 @@ func (r *ChannelRouter) ForEachNode(cb func(*channeldb.LightningNode) error) err
 	})
 }
 
-// ForAllOutgoingChannels is used to iterate over all outgiong channel owned by
+// ForAllOutgoingChannels is used to iterate over all outgoing channels owned by
 // the router.
 //
 // NOTE: This method is part of the ChannelGraphSource interface.