Index: trunk/doc/design/02_data.html
===================================================================
--- trunk/doc/design/02_data.html	(revision 4720)
+++ trunk/doc/design/02_data.html	(revision 4721)
@@ -204,8 +204,7 @@
 bus-terminals, other symbols and decoration. When a symbol is placed on
 a schematic sheet (either by copy or by reference), it is
 <i>instantiated</i>. A symbol has a creation-time cschem generated
-unique ID ("symbol UID"), and an instantiation-time cschem generated
-unique ID for each instance ("instance UID", the uuid field of the direct group).
+unique ID (which is the uuid field of the symbol group).
 
 <p>{des2:82}
 Groups also have an src_uuid field, which is used to track original sources.