Prefer existing language for requirements

Author: MGibson1

docs/architecture/security/principles/01-servers-are-not-trusted.mdx

@@ -10,8 +10,8 @@ This is what we mean when we sometimes refer to "End-to-end encrypted."
 ## Account key sharing as a feature
 
 This principle does not mean that clear text data are never shared, but rather that any such
-exposure is always declared to the user and exclusively between accounts, never to the server or
-infrastructure.
+exposure requires informed and explicit consent from the user and is exclusively between accounts,
+never to the server or infrastructure.
 
 ## Exceptions