fd37b0cc737fd221a94034202db5458d954614eb
mspeir
  Mon Aug 3 14:50:37 2026 -0700
Fix mismatched heading tag in gb101 tutorial

The Interactive Tutorial panel opened an <h3> but closed with </h4>.

refs #37355

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

diff --git docs/tutorials/gb101.md docs/tutorials/gb101.md
index 5ea6f09d769..6b4fe5249c4 100644
--- docs/tutorials/gb101.md
+++ docs/tutorials/gb101.md
@@ -29,31 +29,31 @@
 <h3 class="panel-title" style="width: -webkit-fill-available;"
 >Guided Walkthrough</h3>
 
 A guided walkthrough that explains menu bar navigation, 
 as well as using and configuring the tracks display.
 
 <p style="text-align: end">
 <button>[View](#guided-walkthrough)</button>
 </p>
 </div>
 </div>
 
 <div class="col-md-4">
 <div class="panel panel-default" style="padding-bottom: 10px">
 <h3 class="panel-title" style="width: -webkit-fill-available;"
->Interactive Tutorial</h4>
+>Interactive Tutorial</h3>
 
 An interactive tutorial that covers the basic Browser introduction on this page.
 
 <p style="text-align: end">
 <button>[View](/cgi-bin/hgTracks?db=hg38&startTutorial=true)</button>
 </p>
 </div>
 </div>
 </div>
 
 ## Annotated Screenshot
 
 ```image
 src=/images/gb101cheatSheet.png
 width=90%