DOCSP-38918 correct file name

Author: jocelyn-mendez1

source/installation/install-on-an-unattended-server/rhel-centos-server-installation/install-rhel-server.txt

@@ -21,7 +21,7 @@ and is exposes it as a web application.
 Steps
 -----
 
-1. Download the latest ``.deb`` binary from the `release page <https://www.mongodb.com/try/download/relational-migrator>`__.
+1. Download the latest ``.rpm`` binary from the `release page <https://www.mongodb.com/try/download/relational-migrator>`__.
 
 #. Install Relational Migrator.