92a2cc316ffc835ad7e3b8e1514ce93320b6d5b5
abenetpa
  Fri Oct 9 00:17:52 2020 -0700
added mouseover sentence in desc page refs#26321

diff --git src/hg/makeDb/trackDb/human/geneReviews.html src/hg/makeDb/trackDb/human/geneReviews.html
index e14fd71..ac17e1e 100644
--- src/hg/makeDb/trackDb/human/geneReviews.html
+++ src/hg/makeDb/trackDb/human/geneReviews.html
@@ -1,28 +1,29 @@
 <H2 CLASS="western">Description</H2>
 
 <P><A HREF="https://www.ncbi.nlm.nih.gov/books/NBK1116/"
  TARGET="_BLANK">
 <B><I>GeneReviews</I></B></A> is an online collection of expert-authored, peer-reviewed
 articles that describe specific gene-related diseases. <I>GeneReviews</I> articles are
 searchable by disease name, gene symbol, protein name, author, or title. <I>GeneReviews</I>
 is supported by the National Institutes of Health, hosted at NCBI as part of the
 <A HREF="https://www.ncbi.nlm.nih.gov/gtr/"
  TARGET="_BLANK">
 <B><I>Genetic Testing Registry (GTR)</I></B></A>. The <I>GeneReviews</I> data underlying this track will be updated frequently. 
 </P>
 
 <P>The GeneReviews track allows the user to locate the NCBI <I>GeneReviews</I> resource
-quickly from the Genome Browser. A condensed version of the <I>GeneReviews</I> article
+quickly from the Genome Browser. Hovering the mouse on track items shows the gene symbol and 
+associated diseases. A condensed version of the <I>GeneReviews</I> article
 name and its related diseases are displayed on the item details page as links. Similar
 information, when available, is provided in the details page of items from the UCSC Genes,
 RefSeq Genes, and OMIM Genes tracks.
 </P>
 <H2 CLASS="western">References</H2>
 
 <p>
 Pagon RA, Adam MP, Bird TD, <em>et al</em>., editors. GeneReviews<sup>&reg;</sup> [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2014. Available from: 
 <a href="https://www.ncbi.nlm.nih.gov/books/NBK1116/"
  target="_blank">
 https://www.ncbi.nlm.nih.gov/books/NBK1116</a>.
 </p>