Index: src/hg/makeDb/trackDb/snp130.html
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/makeDb/trackDb/snp130.html,v
retrieving revision 1.9
retrieving revision 1.10
diff -b -B -U 4 -r1.9 -r1.10
--- src/hg/makeDb/trackDb/snp130.html	16 Jul 2009 16:39:23 -0000	1.9
+++ src/hg/makeDb/trackDb/snp130.html	28 Sep 2009 21:55:55 -0000	1.10
@@ -173,8 +173,15 @@
 to the neighboring genomic sequence for display on SNP details pages.  
 While the recomputed alignments may differ from dbSNP's alignments,
 they often are informative when UCSC has annotated an unusual condition.
 </P>
+<P>
+Non-repetitive genomic sequence is shown in upper case like the flanking 
+sequence, and a "|" indicates each match between genomic and flanking bases.
+Repetitive genomic sequence (annotated by RepeatMasker and/or the
+Tandem Repeats Finder with period <= 12) is shown in lower case, and matching
+bases are indicated by a "+".
+</P>
 
 <H2>Data Sources</H2>
 <P>
 The data that comprise this track were extracted from database dump files 

