SMTP variables configuration in the documentation is not updated

The documentation mentioned in section 2.3.6 Configuring SMTP Variables , the variables shall be located in SMTP config map as in the below URL . However the variables are found in a secret as in attachment.

https://access.redhat.com/documentation/en-us/red_hat_3scale_api_management/2.8/html/installing_3scale/install-threescale-on-openshift-guide#configuring-smtp-variables-optional