DOCS-10519-checklist-advice (#2687) (#2699)

* DOCS-10519-checklist-advice

* fake commit

* TEST-IGNORE

* DOCS-10519 checklist advice

Author: Dave Cuthbert

source/administration/security-checklist.txt

@@ -6,9 +6,7 @@ Security Checklist
 
 .. |arrow| unicode:: U+27A4
 
-*Last updated: 2020-03-25*
-
-This documents provides a list of security measures that you should
+This document provides a list of security measures that you should
 implement to protect your MongoDB installation. The list is not meant
 to be exhaustive.
 
@@ -181,10 +179,6 @@ Pre-production Checklist/Considerations
   This ensures that all documents stored by the
   :binary:`~bin.mongod` instance are valid :term:`BSON`.
 
-  |
-
-  See also: :doc:`/core/security-hardening`
-
 |arrow| Request a Security Technical Implementation Guide (where applicable)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~