f12abfa6cad0164a03d39d3968986874a8c9a6b8
hiram
  Wed Mar 25 16:58:16 2026 -0700
same change to track Ui to indicate how to get the data for the gcOnFly synthetic track refs #35958

diff --git src/hg/htdocs/goldenPath/help/gcOnFly.html src/hg/htdocs/goldenPath/help/gcOnFly.html
index cec444859a8..e55086e24c5 100644
--- src/hg/htdocs/goldenPath/help/gcOnFly.html
+++ src/hg/htdocs/goldenPath/help/gcOnFly.html
@@ -1,18 +1,18 @@
-<h2>Description</h2>
+<h3>Description</h3>
 <p>
 The GC percent track shows the percentage of G (guanine) and C (cytosine) bases
 in 5-base windows.  High GC content is typically associated with
 gene-rich areas.
 </p>
 <p>
 This track may be configured in a variety of ways to highlight different
 apsects of the displayed information. Click the
 &quot;Graph configuration help&quot;
 link for an explanation of the configuration options.
 
-<h2>Credits</h2>
+<h3>Credits</h3>
 <p> The data and presentation of this graph were prepared by
 <a href="mailto:&#104;&#105;&#114;a&#109;&#64;&#115;&#111;&#101;
 .&#117;&#99;&#115;&#99;.&#101;&#100;u">Hiram Clawson</a>.
 </p>