1**To update a registered Amazon RDS DB instance**
2
3The following example updates an Amazon RDS instance's master password value.
4Note that this command does not change the RDS instance's master password, just the password that
5you provide to AWS OpsWorks.
6If this password does not match the RDS instance's password,
7your application will not be able to connect to the database. ::
8
9  aws opsworks --region us-east-1 update-rds-db-instance --db-password 123456789
10
11*Output*: None.
12
13**More Information**
14
15For more information, see `Registering Amazon RDS Instances with a Stack`_ in the *AWS OpsWorks User Guide*.
16
17.. _`Registering Amazon RDS Instances with a Stack`: http://docs.aws.amazon.com/opsworks/latest/userguide/resources-reg.html#resources-reg-rds
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