diff --git a/docs/wallet/wallet.md b/docs/wallet/wallet.md
index e1a4db1055..a2a80ba64e 100644
--- a/docs/wallet/wallet.md
+++ b/docs/wallet/wallet.md
@@ -71,6 +71,16 @@ import com.typesafe.config.ConfigFactory
 import java.nio.file.Files
 import java.time.Instant
 import scala.concurrent._
+
+val chainApi = new ChainQueryApi {
+    override def epochSecondToBlockHeight(time: Long): Future[Int] = Future.successful(0)
+    override def getBlockHeight(blockHash: DoubleSha256DigestBE): Future[Option[Int]] = Future.successful(None)
+    override def getBestBlockHash(): Future[DoubleSha256DigestBE] = Future.successful(DoubleSha256DigestBE.empty)
+    override def getNumberOfConfirmations(blockHashOpt: DoubleSha256DigestBE): Future[Option[Int]] = Future.successful(None)
+    override def getFilterCount(): Future[Int] = Future.successful(0)
+    override def getHeightByBlockStamp(blockStamp: BlockStamp): Future[Int] = Future.successful(0)
+    override def getFiltersBetweenHeights(startHeight: Int, endHeight: Int): Future[Vector[FilterResponse]] = Future.successful(Vector.empty)
+  }
 ```
 
 ```scala mdoc:compile-only
@@ -146,15 +156,7 @@ val keyManager = BIP39KeyManager.initialize(aesPasswordOpt, walletConfig.kmParam
 val wallet = Wallet(keyManager, new NodeApi {
     override def broadcastTransaction(tx: Transaction): Future[Unit] = Future.successful(())
     override def downloadBlocks(blockHashes: Vector[DoubleSha256Digest]): Future[Unit] = Future.successful(())
-  }, new ChainQueryApi {
-    override def epochSecondToBlockHeight(time: Long): Future[Int] = Future.successful(0)
-    override def getBlockHeight(blockHash: DoubleSha256DigestBE): Future[Option[Int]] = Future.successful(None)
-    override def getBestBlockHash(): Future[DoubleSha256DigestBE] = Future.successful(DoubleSha256DigestBE.empty)
-    override def getNumberOfConfirmations(blockHashOpt: DoubleSha256DigestBE): Future[Option[Int]] = Future.successful(None)
-    override def getFilterCount: Future[Int] = Future.successful(0)
-    override def getHeightByBlockStamp(blockStamp: BlockStamp): Future[Int] = Future.successful(0)
-    override def getFiltersBetweenHeights(startHeight: Int, endHeight: Int): Future[Vector[FilterResponse]] = Future.successful(Vector.empty)
-  }, ConstantFeeRateProvider(SatoshisPerVirtualByte.one), creationTime = Instant.now)
+  }, chainApi, ConstantFeeRateProvider(SatoshisPerVirtualByte.one), creationTime = Instant.now)
 val walletF: Future[WalletApi] = configF.flatMap { _ =>
   Wallet.initialize(wallet,bip39PasswordOpt)
 }
@@ -181,5 +183,4 @@ val balanceF: Future[CurrencyUnit] = for {
 balanceF.foreach { balance =>
     println(s"Bitcoin-S wallet balance: $balance")
 }
-
 ```