diff --git a/bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt b/bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt
index 64b2ed4..3ecc066 100644
--- a/bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt
+++ b/bindings/bdk-kotlin/demo/src/main/kotlin/Main.kt
@@ -1,30 +1,37 @@
 import uniffi.bdk.*
 
-class LogProgress: BdkProgress {
-    override fun update(progress: Float, message: String? ) {
+class LogProgress : BdkProgress {
+    override fun update(progress: Float, message: String?) {
         println("Syncing..")
     }
 }
 
-class NullProgress: BdkProgress {
-    override fun update(progress: Float, message: String? ) {
-
-    }
+class NullProgress : BdkProgress {
+    override fun update(progress: Float, message: String?) {}
 }
 
-fun getConfirmedTransaction(wallet: OnlineWalletInterface, transactionId: String): ConfirmedTransaction? {
+fun getConfirmedTransaction(
+        wallet: OnlineWalletInterface,
+        transactionId: String
+): ConfirmedTransaction? {
     wallet.sync(NullProgress(), null)
-    return wallet.getTransactions().stream().filter({ it.id.equals(transactionId) }).findFirst().orElse(null)
+    return wallet.getTransactions()
+            .stream()
+            .filter({ it.id.equals(transactionId) })
+            .findFirst()
+            .orElse(null)
 }
 
 fun main(args: Array<String>) {
     println("Configuring an in-memory wallet on electrum..")
-    val descriptor =
-        "pkh(cSQPHDBwXGjVzWRqAHm6zfvQhaTuj1f2bFH58h55ghbjtFwvmeXR)";
-    val amount = 1000uL;
-    val recipient = "tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt";
+    val descriptor = "pkh(cSQPHDBwXGjVzWRqAHm6zfvQhaTuj1f2bFH58h55ghbjtFwvmeXR)"
+    val amount = 1000uL
+    val recipient = "tb1ql7w62elx9ucw4pj5lgw4l028hmuw80sndtntxt"
     val db = DatabaseConfig.Memory("")
-    val client = BlockchainConfig.Electrum(ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u))
+    val client =
+            BlockchainConfig.Electrum(
+                    ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
+            )
     val wallet = OnlineWallet(descriptor, Network.TESTNET, db, client)
     wallet.sync(LogProgress(), null)
     println("Initial wallet balance: ${wallet.getBalance()}")
@@ -34,7 +41,9 @@ fun main(args: Array<String>) {
     println("New wallet balance: ${wallet.getBalance()}")
     println("Press Enter to return funds")
     readLine()
-    println("Creating a partially signed bitcoin transaction with recipient $recipient and amount $amount satoshis...")
+    println(
+            "Creating a PSBT with recipient $recipient and amount $amount satoshis..."
+    )
     val transaction = PartiallySignedBitcoinTransaction(wallet, recipient, amount)
     println("Signing the transaction...")
     wallet.sign(transaction)
@@ -43,7 +52,7 @@ fun main(args: Array<String>) {
     println("Refunded $amount satoshis to $recipient via transaction id $transactionId")
     println("Confirming transaction...")
     var confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
-    while(confirmedTransaction == null) {
+    while (confirmedTransaction == null) {
         confirmedTransaction = getConfirmedTransaction(wallet, transactionId)
     }
     println("Confirmed transaction: $confirmedTransaction")