diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go
index ffa4a5d6e..66fad197c 100644
--- a/contractcourt/channel_arbitrator.go
+++ b/contractcourt/channel_arbitrator.go
@@ -79,7 +79,7 @@ type WitnessBeacon interface {
 		payload *hop.Payload,
 		nextHopOnionBlob []byte) (*WitnessSubscription, error)
 
-	// LookupPreImage attempts to lookup a preimage in the global cache.
+	// LookupPreimage attempts to lookup a preimage in the global cache.
 	// True is returned for the second argument if the preimage is found.
 	LookupPreimage(payhash lntypes.Hash) (lntypes.Preimage, bool)
 
diff --git a/htlcswitch/interfaces.go b/htlcswitch/interfaces.go
index a3f4ff9a9..17ea5071a 100644
--- a/htlcswitch/interfaces.go
+++ b/htlcswitch/interfaces.go
@@ -284,8 +284,8 @@ type ChannelLink interface {
 	// total sent/received milli-satoshis.
 	Stats() (uint64, lnwire.MilliSatoshi, lnwire.MilliSatoshi)
 
-	// Peer returns the serialized public key of remote peer with which we
-	// have the channel link opened.
+	// PeerPubKey returns the serialized public key of remote peer with
+	// which we have the channel link opened.
 	PeerPubKey() [33]byte
 
 	// AttachMailBox delivers an active MailBox to the link. The MailBox may
@@ -440,7 +440,7 @@ type htlcNotifier interface {
 	NotifyForwardingEvent(key HtlcKey, info HtlcInfo,
 		eventType HtlcEventType)
 
-	// NotifyIncomingLinkFailEvent notifies that a htlc has failed on our
+	// NotifyLinkFailEvent notifies that a htlc has failed on our
 	// incoming link. It takes an isReceive bool to differentiate between
 	// our node's receives and forwards.
 	NotifyLinkFailEvent(key HtlcKey, info HtlcInfo,
diff --git a/witness_beacon.go b/witness_beacon.go
index 2bc3c0850..f4e950314 100644
--- a/witness_beacon.go
+++ b/witness_beacon.go
@@ -119,7 +119,7 @@ func (p *preimageBeacon) SubscribeUpdates(
 	return sub, nil
 }
 
-// LookupPreImage attempts to lookup a preimage in the global cache.  True is
+// LookupPreimage attempts to lookup a preimage in the global cache.  True is
 // returned for the second argument if the preimage is found.
 func (p *preimageBeacon) LookupPreimage(
 	payHash lntypes.Hash) (lntypes.Preimage, bool) {