diff --git a/index.php b/index.php
index 3931567..bcf3043 100644
--- a/index.php
+++ b/index.php
@@ -206,12 +206,12 @@
 
       <label for="tags">Tags:</label><span class="hint">(One tag per field or comma separated)</span><br>
       <input type="text" list="list_tags" id="tags" name="tags[]" required>
-      <input type="button" id="add_tag" value="➕" onclick="javascript:add_input_tag();">
+      <input type="button" id="add_tag" value="➕" title="Add tag" onclick="javascript:add_input_tag();">
       <br>
 
       <label for="receipts">Receipts:</label><span class="hint">(One receipt per field or comma separated)</span><br>
       <input type="url" id="receipts" name="receipts[]"  required>
-      <input type="button" id="add_receipt" value="➕" onclick="javascript:add_input_receipt();">
+      <input type="button" id="add_receipt" value="➕" title="Add receipt" onclick="javascript:add_input_receipt();">
       <br>
 
       <label for="screenshot1">Screenshots:</label><span class="hint">(optional)</span>