diff --git a/models/ChatViewModel.cs b/models/ChatViewModel.cs
index 47cd1a5..3dbd648 100644
--- a/models/ChatViewModel.cs
+++ b/models/ChatViewModel.cs
@@ -6,4 +6,5 @@ public partial class ChatViewModel : ObservableObject
 {
     [ObservableProperty] private string _content = "";
     [ObservableProperty] private string _prompt = "";
+    [ObservableProperty] private string _promptWatermark = "Ask me anything...";
 }
\ No newline at end of file
diff --git a/ui/controls/ChatUserControl.axaml b/ui/controls/ChatUserControl.axaml
index 735954e..fdb3ce9 100644
--- a/ui/controls/ChatUserControl.axaml
+++ b/ui/controls/ChatUserControl.axaml
@@ -11,6 +11,7 @@
         <HtmlPanel Grid.Row="0" BaseStylesheet="* { font: Inter; color: white; }"
                    IsContextMenuEnabled="False" IsSelectionEnabled="False" Text="{Binding Content}" />
         <TextBox Grid.Row="1" CornerRadius="5" TextWrapping="Wrap"
+                 Watermark="{Binding PromptWatermark}"
                  KeyDown="PromptBox_OnKeyDown" Text="{Binding Prompt}" />
     </Grid>