diff --git a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/EnterTanDialog.kt b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/EnterTanDialog.kt
index 06bfaf9..0cf7ea7 100644
--- a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/EnterTanDialog.kt
+++ b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/EnterTanDialog.kt
@@ -20,8 +20,10 @@ import kotlinx.datetime.TimeZone
 import kotlinx.datetime.toLocalDateTime
 import net.codinux.banking.client.model.tan.*
 import net.codinux.banking.ui.composables.BankIcon
+import net.codinux.banking.ui.config.Colors
 import net.codinux.banking.ui.config.DI
 import net.codinux.banking.ui.config.Internationalization
+import net.codinux.banking.ui.forms.CaptionText
 import net.codinux.banking.ui.forms.OutlinedTextField
 import net.codinux.banking.ui.forms.Select
 import net.codinux.banking.ui.model.TanChallengeReceived
@@ -45,6 +47,8 @@ fun EnterTanDialog(tanChallengeReceived: TanChallengeReceived, onDismiss: () ->
     val minTanImageHeight = 100
     val maxTanImageHeight = 500
 
+    var showSelectingTanMediumNotImplementedWarning by remember { mutableStateOf(false) }
+
     val textFieldFocus = remember { FocusRequester() }
 
     var enteredTan by remember { mutableStateOf("") }
@@ -131,10 +135,14 @@ fun EnterTanDialog(tanChallengeReceived: TanChallengeReceived, onDismiss: () ->
                         "TAN Medium",
                         challenge.availableTanMedia.sortedBy { it.status }.map { it.displayName },
                         challenge.selectedTanMedium?.displayName ?: "<Keines ausgewählt>",
-                        { Log.info { "User selected TanMedium $it" } }, // TODO: change TanMethod
+                        { showSelectingTanMediumNotImplementedWarning = true }, // TODO: change TanMedium
                         { it }
                     )
                 }
+
+                if (showSelectingTanMediumNotImplementedWarning) {
+                    CaptionText("Es tut uns Leid, aber das Ändern des TAN Mediums ist gegenwärtig noch nicht implementiert", Colors.DestructiveColor, Arrangement.Start)
+                }
             }
 
 
diff --git a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/TransferMoneyDialog.kt b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/TransferMoneyDialog.kt
index 948b6b6..4f00804 100644
--- a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/TransferMoneyDialog.kt
+++ b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/dialogs/TransferMoneyDialog.kt
@@ -21,6 +21,7 @@ import net.codinux.banking.ui.composables.BankIcon
 import net.codinux.banking.ui.config.Colors
 import net.codinux.banking.ui.config.DI
 import net.codinux.banking.ui.forms.AutocompleteTextField
+import net.codinux.banking.ui.forms.CaptionText
 import net.codinux.banking.ui.forms.OutlinedTextField
 import net.codinux.banking.ui.forms.Select
 import net.codinux.banking.ui.model.ShowTransferMoneyDialogData
@@ -238,12 +239,7 @@ fun TransferMoneyDialog(
                 }
             }
 
-            Row(Modifier.fillMaxWidth().padding(top = 4.dp), horizontalArrangement = Arrangement.End) {
-                Text(
-                    text = "${paymentReference.length} / 140",
-                    style = MaterialTheme.typography.caption
-                )
-            }
+            CaptionText("${paymentReference.length} / 140")
 
 
             Row(Modifier.padding(top = verticalSpace), verticalAlignment = Alignment.CenterVertically) {
diff --git a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/forms/CaptionText.kt b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/forms/CaptionText.kt
new file mode 100644
index 0000000..79fe34f
--- /dev/null
+++ b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/forms/CaptionText.kt
@@ -0,0 +1,23 @@
+package net.codinux.banking.ui.forms
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun CaptionText(text: String, color: Color = Color.Unspecified, horizontalArrangement: Arrangement.Horizontal = Arrangement.End) {
+    Row(Modifier.fillMaxWidth().padding(top = 4.dp), horizontalArrangement = horizontalArrangement) {
+        Text(
+            text = text,
+            style = MaterialTheme.typography.caption,
+            color = color
+        )
+    }
+}
\ No newline at end of file