diff -r 6cbc7bc8ea6d -r 5fe84a5f7035 server/sources/rql2sql.py
--- a/server/sources/rql2sql.py	Fri Apr 17 13:21:05 2009 +0200
+++ b/server/sources/rql2sql.py	Fri Apr 17 16:55:37 2009 +0200
@@ -3,14 +3,14 @@
 
 SQL queries optimization
 ~~~~~~~~~~~~~~~~~~~~~~~~
-1. EUser X WHERE X in_group G, G name 'users':
+1. CWUser X WHERE X in_group G, G name 'users':
 
-   EUser is the only subject entity type for the in_group relation,
+   CWUser is the only subject entity type for the in_group relation,
    which allow us to do ::
 
-     SELECT eid_from FROM in_group, EGroup
-     WHERE in_group.eid_to = EGroup.eid_from
-     AND EGroup.name = 'users'
+     SELECT eid_from FROM in_group, CWGroup
+     WHERE in_group.eid_to = CWGroup.eid_from
+     AND CWGroup.name = 'users'
 
 
 2. Any X WHERE X nonfinal1 Y, Y nonfinal2 Z