diff --git a/README.md b/README.md
index 66b6aa3b..fed56530 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ val options = GetAccountDataOptions(
 val response = client.getAccountData(options)
 ```
 
-### TAN handling
+#### TAN handling
 
 Retrieving transactions older than 90 days or sometimes even log in requires a TAN, so add TAN handling in Client Callback:
 
@@ -125,13 +125,13 @@ val client = FinTs4kBankingClientForUser(bankCode, loginName, password, SimpleBa
 })
 ```
 
-### Error handling
+#### Error handling
 
 Add some error handling by checking `response.error`:
 
 ```kotlin
 response.error?.let{ error ->
-    println("Could not fetch account data: ${error.internalError ?: error.errorMessagesFromBank.joinToString()}")
+    println("Could not fetch account data: ${error.type} ${error.internalError ?: error.errorMessagesFromBank.joinToString()}")
 }
 ```
 
diff --git a/SampleApp/src/main/kotlin/net/codinux/banking/client/fints4k/example/ShowUsage.kt b/SampleApp/src/main/kotlin/net/codinux/banking/client/fints4k/example/ShowUsage.kt
index b3d96f5c..a589e06a 100644
--- a/SampleApp/src/main/kotlin/net/codinux/banking/client/fints4k/example/ShowUsage.kt
+++ b/SampleApp/src/main/kotlin/net/codinux/banking/client/fints4k/example/ShowUsage.kt
@@ -64,7 +64,7 @@ class ShowUsage {
         val response = client.getAccountData(options)
 
         response.error?.let{ error ->
-            println("Could not fetch account data: ${error.internalError ?: error.errorMessagesFromBank.joinToString()}")
+            println("Could not fetch account data: ${error.type} ${error.internalError ?: error.errorMessagesFromBank.joinToString()}")
         }
 
         printReceivedData(response)