diff --git a/public/index.html b/public/index.html
index 319dbd3..b7e090e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -36,9 +36,12 @@ <h1>Unleash the full potential of controlled vocabularies in reconciliation</h1>
           <form action="/upload" enctype="multipart/form-data" method="post">
             <div class="form-group">
               <label for="account">Account for Dataset
+                  <a title="Imagine it like a namespace that holds your vocabulary. Since the service is free for everyone to use, other people could potentially overwrite your vocabulary. So choose a name not too common.">❓</a>
               </label>
               <input type="text" id="account" name="account" required />
-              <label for="language">Language to use for Reconciliation</label>
+              <label for="language">Language to use for Reconciliation
+                <a title="Reconciliation is done against a specific language. So tell us what language of your vocabulary we should use.">❓</a>
+                </label>
               <input type="text" id="language" name="language" required placeholder="e.g. de" />
               <label for="file_upload">
                 Please select a file to upload (.ttl)