Update ALSI documentation

ALSI (Cribl LogStream) Notes.md

@@ -31,7 +31,9 @@ To create one or more worker nodes along with the leader, modify `xdr-terraform-
 
 Add `#!jinja|yaml|gpg` to the top of the customer variables SLS file if it is not present.
 
-Copy the Cribl pillars from an existing customer such as Moose (`moose_variables.sls`) to the customer's variables file. Remove all values except the `admin_password`.
+Copy the `cribl` pillars _*and*_ the `certs` pillars from an existing customer such as Moose (`moose_variables.sls`) to the customer's variables file.
+
+Remove all values except the `admin_password`.
 
 ```saltstack
 {% if grains['id'].startswith('bas-alsi-') %}