Update initdb instructions for a 1.* database.

INSTALL

@@ -163,13 +163,15 @@ function.  There are plans to remedy this in future developent.
 The program initdb (part of Postgres) is what initializes (creates) a
 database system.  See the man page for initdb.
 
-Example:
+Example for postgres version 1.*:
+  % initdb
 
-  % initdb --pgdata=/usr/lib/postgres_data --username=postgres
+Example for postgres version 2.0:(to be released in several months)
+  % initdb -d /usr/lib/postgres_data -u postgres
 
-This example creates the files for the database system in the directory
-/usr/lib/postgres_data and makes user "postgres" the Postgres superuser
-for the new database system.
+  This example creates the files for the database system in the directory
+  /usr/lib/postgres_data and makes user "postgres" the Postgres superuser
+  for the new database system.
 
 By default, the user issuing the initdb command becomes the Postgres
 superuser, and only the unix superuser can specify any other user as the