version note

Author: Richard Jones

doc/postgresql.txt

@@ -12,10 +12,13 @@ Prerequisites
 To use PostgreSQL as backend for storing roundup data, you should
 additionally install:
 
-1. PostgreSQL 7.x - http://www.postgresql.org/
+1. PostgreSQL 7.x from <http://www.postgresql.org/>.
 
-2. The psycopg python interface to PostgreSQL:
-   http://initd.org/software/initd/psycopg
+2. The psycopg python interface to PostgreSQL from
+   <http://initd.org/software/initd/psycopg>.
+
+   Currently we only support the 1.x interface versions. 2.x is not
+   supported.
 
 
 Running the PostgreSQL unit tests