diff --git a/integration_tests/util.go b/integration_tests/util.go
index 8903128..7f82451 100644
--- a/integration_tests/util.go
+++ b/integration_tests/util.go
@@ -29,9 +29,8 @@ const (
 	lnd1RegtestMacaroonHex = "0201036c6e6402f801030a10e2133a1cac2c5b4d56e44e32dc64c8551201301a160a0761646472657373120472656164120577726974651a130a04696e666f120472656164120577726974651a170a08696e766f69636573120472656164120577726974651a210a086d616361726f6f6e120867656e6572617465120472656164120577726974651a160a076d657373616765120472656164120577726974651a170a086f6666636861696e120472656164120577726974651a160a076f6e636861696e120472656164120577726974651a140a057065657273120472656164120577726974651a180a067369676e6572120867656e657261746512047265616400000620c4f9783e0873fa50a2091806f5ebb919c5dc432e33800b401463ada6485df0ed"
 	lnd2RegtestAddress     = "rpc.lnd2.regtest.getalby.com:443"
 	lnd2RegtestMacaroonHex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
-	//TODO: use lnd3 for a funding client
-	//when testing out fee handling for payments
-	//done by lnd-1. This will cause a fee to be charged by lnd-2 (lnd default fee 1 sat base + 1 ppm)
+	// Use lnd3 for a funding client when testing out fee handling for payments done by lnd-1, since lnd3 doesn't have a direct channel to lnd1.
+	// This will cause payment to be routed through lnd2, which will charge a fee (lnd default fee 1 sat base + 1 ppm).
 	lnd3RegtestAddress     = "rpc.lnd3.regtest.getalby.com:443"
 	lnd3RegtestMacaroonHex = "0201036c6e6402f801030a102a5aa69a5efdf4b4a55a5304b164641f1201301a160a0761646472657373120472656164120577726974651a130a04696e666f120472656164120577726974651a170a08696e766f69636573120472656164120577726974651a210a086d616361726f6f6e120867656e6572617465120472656164120577726974651a160a076d657373616765120472656164120577726974651a170a086f6666636861696e120472656164120577726974651a160a076f6e636861696e120472656164120577726974651a140a057065657273120472656164120577726974651a180a067369676e6572120867656e657261746512047265616400000620defbb5a809262297fd661a9ab6d3deb4b7acca4f1309c79addb952f0dc2d8c82"
 )
@@ -39,7 +38,7 @@ const (
 func LndHubTestServiceInit(lndClientMock lnd.LightningClientWrapper) (svc *service.LndhubService, err error) {
 	// change this if you want to run tests using sqlite
 	// dbUri := "file:data_test.db"
-	//make sure the datbase is empty every time you run the test suite
+	// make sure the datbase is empty every time you run the test suite
 	dbUri := "postgresql://user:password@localhost/lndhub?sslmode=disable"
 	c := &service.Config{
 		DatabaseUri:    dbUri,