OCPBUGS-9064:Carriage Return / Newline in Custom Ingress Certificate

Author: GroceryBoyJr

modules/customize-certificates-replace-default-router.adoc

@@ -24,6 +24,8 @@ wildcard certificate must be the first certificate in the file. It can then be
 followed with any intermediate certificates, and the file should end with the
 root CA certificate.
 * Copy the root CA certificate into an additional PEM format file.
+* Verify that all certificates which include `-----END CERTIFICATE-----` also
+end with one carriage return after that line.
 
 .Procedure