329ef2e1f93ff5e7c00ffdf3b5fe97e65a86a066
max
  Fri Jan 24 05:33:54 2020 -0800
improving RefSeq Select docs, refs #24787

diff --git src/hg/makeDb/trackDb/refSeqComposite.html src/hg/makeDb/trackDb/refSeqComposite.html
index e6350fa..f00308c 100644
--- src/hg/makeDb/trackDb/refSeqComposite.html
+++ src/hg/makeDb/trackDb/refSeqComposite.html
@@ -38,39 +38,39 @@
     <li>
     <em>RefSeq Predicted</em> &ndash; subset of RefSeq All that includes those annotations whose 
     accessions begin with XM or XR.</li>
     <li>
     <em>RefSeq Other</em> &ndash; all other annotations produced by the RefSeq group that 
     do not fit the requirements for inclusion in the <em>RefSeq Curated</em> or the 
     <em>RefSeq Predicted</em> tracks.</li>
     <li>
     <em>RefSeq Alignments</em> &ndash; alignments of RefSeq RNAs to the $organism genome provided
     by the RefSeq group.</li>
    <li>
    <em>RefSeq Diffs</em> &ndash; alignment differences between the $organism reference genome(s) 
    and RefSeq transcripts. <small>(Track not currently available for every assembly.)</small>
    </li>
    <li>
-   <em>RefSeq HGMD</em> &ndash; only show RefSeq Curated transcripts mentioned in the Human
-   Gene Mutation Database. This track is only available on the human genomes hg19 and hg38.
+   <em>RefSeq Select</em> &ndash; only show transcripts marked as <a href="https://www.ncbi.nlm.nih.gov/refseq/refseq_select/" target=_blank>RefSeq Select</a>. For each protein coding gene, there is a single "RefSeq Select" transcript.
+   Some of them are also in the <a href="https://www.ncbi.nlm.nih.gov/refseq/MANE/" target=_blank>MANE</a> track, these transcripts have a 100% match in the Ensembl/Gencode gene transcript annotation. This subset is only available on
+   the human genomes hg19 and hg38 at the moment.
    </li>
    <li>
-   <em>RefSeq Select</em> &ndash; only show transcript marked as <a href="https://www.ncbi.nlm.nih.gov/refseq/refseq_select/" target=_blank>RefSeq Select</a> or <a href="https://www.ncbi.nlm.nih.gov/refseq/MANE/" target=_blank>MANE</a>.
-   A single Select transcript is chosen as representative for each
-   protein-coding gene. Transcripts categorized as MANE are further agreed upon
-   as representative by both NCBI RefSeq and Ensembl/GENCODE, and have a 100%
-   identical match to a transcript in the Ensembl annotation.  </li>
+   <em>RefSeq HGMD</em> &ndash; only show RefSeq Curated transcripts annotated by the Human
+   Gene Mutation Database. This track is only available on the human genomes hg19 and hg38.
+   It is the most restricted RefSeq subset, targeting clinical diagnostics.
+   </li>
   </ul>
 </dl>
 
 <dl>
   <dt><em><strong>UCSC annotations</strong></em></dt>
   <ul>
     <li>
     <em>UCSC RefSeq</em> &ndash; annotations generated from UCSC's realignment of RNAs with NM 
     and NR accessions to the $organism genome. This track was previously known as the &quot;RefSeq 
     Genes&quot; track.</li>
   </ul>
 </dl>
 
 <p>
 The <em>RefSeq All</em>, <em>RefSeq Curated</em>, <em>RefSeq Predicted</em>, <em>RefSeq Clinical</em>