rename database questions

Hi,

When I rename a database(8.1.7.0 on AIX 4.3.3) what does 'cluster altered' mean. I have not seen this in the past and I am not using replication or RAC.

Total System Global Area 561780860 bytes

Fixed Size                   116860 bytes
Variable Size             142061568 bytes
Database Buffers          419430400 bytes
Redo Buffers                 172032 bytes
 

Cluster altered.  

> alter database open resetlogs;
 

Database altered. Received on Wed Mar 13 2002 - 10:32:07 CST