Change headings from h3 to h4 in gen2_data.md

Author: maxdubnowski

sbn/sbnprod_wiki/gen2_data.md

@@ -26,7 +26,7 @@ toc_title: Gen 2 Data
   <li><strong>calibntuples:</strong> <code>data_MCP2025C_Fall25-Run1_BNB_Dev_bnblight_v10_14_02_histreco2_sbnd</code></li>
 </ul>
 
-<h3>Run 1 Rolling Analysis Development Sample</h3>
+<h4>Run 1 Rolling Analysis Development Sample</h4>
 
 <blockquote>
 <strong>Documentation:</strong> Check DocDB 44638 for the specific run list used in the Rolling Sample.<br>
@@ -44,7 +44,7 @@ toc_title: Gen 2 Data
   </tbody>
 </table>
 
-<h3>Run 1 Fixed Analysis Development Sample</h3>
+<h4>Run 1 Fixed Analysis Development Sample</h4>
 
 <blockquote>
 <strong>Documentation:</strong> Check DocDB 44638 for the specific run list used in the Fixed Development Sample.<br>