diff --git a/app.py b/app.py
index 5466743..c4f0f4f 100644
--- a/app.py
+++ b/app.py
@@ -488,6 +488,7 @@ def upload_page(msg: str = ""):
     <div class='col-12 col-md-7'>
       <label class='form-label'>Audio-Dateien</label>
       <input class='form-control' type='file' id='fileInput' accept='audio/*' multiple required>
+      <div class='form-text'>Mehrere Dateien: <kbd>Strg</kbd> / <kbd>Cmd</kbd> gedrückt halten beim Auswählen</div>
     </div>
   </div>
   <div id='filePreview' class='mb-3 d-none'>