Comma separated

Author: arfon

app/views/editors/_form.html.erb

@@ -83,7 +83,7 @@
     </div>
 
     <div class="col">
-      <%= f.label :category_list, "Categories (comma or space separated)" %>
+      <%= f.label :category_list, "Categories (comma separated)" %>
       <%= f.text_field :category_list, placeholder: "e.g., machine learning, image analysis, object detection", class: "form-control" %>
     </div>
   </div>