diff --git a/bdk-android/README.md b/bdk-android/README.md
index 2acf720..95528b9 100644
--- a/bdk-android/README.md
+++ b/bdk-android/README.md
@@ -24,12 +24,11 @@ val internalDescriptor = "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEm
 
 val databaseConfig = DatabaseConfig.Memory
 
-val blockchainConfig =
-  BlockchainConfig.Electrum(
-    ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
-  )
+val blockchainConfig = BlockchainConfig.Electrum(
+        ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
+    )
 val wallet = Wallet(externalDescriptor, internalDescriptor, Network.TESTNET, databaseConfig, blockchainConfig)
-val newAddress = wallet.getNewAddress()
+val newAddress = wallet.getAddress(AddressIndex.LAST_UNUSED)
 ```
 
 ### Snapshot releases
@@ -76,7 +75,7 @@ git clone https://github.com/bitcoindevkit/bdk-ffi
  ```
 8. Start android emulator (must be x86_64) and run tests
 ```sh
-./gradlew connectedAndroidTest 
+./gradlew connectedAndroidTest
 ```
 
 ## How to publish to your local Maven repo
diff --git a/bdk-jvm/README.md b/bdk-jvm/README.md
index 0759c06..b6213e6 100644
--- a/bdk-jvm/README.md
+++ b/bdk-jvm/README.md
@@ -24,12 +24,11 @@ val internalDescriptor = "wpkh([c258d2e4/84h/1h/0h]tpubDDYkZojQFQjht8Tm4jsS3iuEm
 
 val databaseConfig = DatabaseConfig.Memory
 
-val blockchainConfig =
-  BlockchainConfig.Electrum(
-    ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
-  )
+val blockchainConfig = BlockchainConfig.Electrum(
+        ElectrumConfig("ssl://electrum.blockstream.info:60002", null, 5u, null, 10u)
+    )
 val wallet = Wallet(externalDescriptor, internalDescriptor, Network.TESTNET, databaseConfig, blockchainConfig)
-val newAddress = wallet.getNewAddress()
+val newAddress = wallet.getAddress(AddressIndex.LAST_UNUSED)
 ```
 
 ### Snapshot releases