819fe0dd688e9a31a6e57e46f2bdc31d6c023150
dschmelt
  Tue Aug 25 16:02:57 2020 -0700
Minor edits for barChart squish refs #23679

diff --git src/hg/htdocs/goldenPath/help/barChart.html src/hg/htdocs/goldenPath/help/barChart.html
index ba058a6..9dbf8b9 100755
--- src/hg/htdocs/goldenPath/help/barChart.html
+++ src/hg/htdocs/goldenPath/help/barChart.html
@@ -29,33 +29,38 @@
 features (i.e. schema customization, and label configuration support), and
 is recommended for users who can use command-line tools and have web-accessible data storage. If
 you do not have web-accessible data storage, please see the <a href="hgTrackHubHelp.html#Hosting">
 Hosting</a> section of the Track Hub Help documentation.
 barChart format files are converted to bigBarChart files using the program 
 <code>bedToBigBed</code>, run with the <code>-as</code> option to pull in a special 
 <a href="http://www.linuxjournal.com/article/5949" target="_blank">autoSql</a> (<em>.as</em>) 
 schema file defining the fields of the bigBarChart.
 </p>
 <p>
 Below is an example of the barChart format in 'full' visibility mode</p>
 <p class='text-center'>
   <img class='text-center' src="../../images/barChartFull.png" alt="BarChart example in full mode" width="883" height="143">
 </p>
 <p>
-The Squish display mode draws a rectangle for each gene, colored to indicate the tissue 
-with highest expression level if it contributes more than 10% to the overall expression 
-(and colored black if no tissue predominates).</p>
+The Squish display mode draws one colored rectangle indicating the category (e.g. tissue) 
+with highest value of the measured metric (e.g. gene expression) if it contributes more 
+than 10%  to the total expression, otherwise the chart is colored black. 
+The following image shows the GTEx Genes track
+in Squish mode; the beige colored item (tissue) has the highest 
+expression in the ACE2 gene and represents more than 10% of total expression. 
+Click into the chart for more information.</p>
+
 <p class='text-center'>
   <img class='text-center' src="../../images/barChartSquish.png" alt="BarChart example in squish mode" width="883" height="143">
 </p>
 
 <a name=barChart></a>
 <h2>barChart format definition</h2>
 <p>
 The following autoSql definition illustrates the basic schema supporting barChart (and 
 bigBarChart) tracks.</p>
 
 <pre><code>table bigBarChart
 "bigBarChart bar graph display"  
     ( 
     string chrom;               "Reference sequence chromosome or scaffold"
     uint chromStart;            "Start position in chromosome"