diff --git a/app/views/cards/container/_image.html.erb b/app/views/cards/container/_image.html.erb
index f809cb343..b38f05c07 100644
--- a/app/views/cards/container/_image.html.erb
+++ b/app/views/cards/container/_image.html.erb
@@ -5,9 +5,9 @@
   <% end %>
 <% elsif !card.closed? %>
   <%= form_with model: card, url: collection_card_path(card.collection, card), data: { controller: "form" } do |form| %>
-    <label class="btn input--file">
+    <label class="btn input--file tooltip">
       <%= icon_tag "picture-add" %>
-      <span class="for-screen-reader"></span>
+      <span class="for-screen-reader">Add background image</span>
       <%= form.file_field :image, class: "input",
             accept: "image/png, image/jpeg, image/jpg, image/webp",
             aria: { label: "Add background image" },