Index: trunk/ippToPsps/config/tables.ST.vot
===================================================================
--- trunk/ippToPsps/config/tables.ST.vot	(revision 38766)
+++ trunk/ippToPsps/config/tables.ST.vot	(revision 38767)
@@ -48,5 +48,5 @@
       </FIELD>
       <FIELD name="astroScat" arraysize="1" datatype="float" unit="dimensionless" default="-999">
-        <DESCRIPTION>Astrometric scatter relative to reference catalog.</DESCRIPTION>
+        <DESCRIPTION>Measurement of the calibration (not astrometric error) defined to be SQRT(AST_CDX^2 + AST_CDY^2)</DESCRIPTION>
       </FIELD>
       <FIELD name="photoScat" arraysize="1" datatype="float" unit="dimensionless" default="-999">