<p>Do you administer servers, and wish you could re-key them without
sowing massive pain and confusion among your users (or worse,
encouraging bad security habits among them)? Do you wish you could
-identify the users to grant access by name, instead of by opaque
-string? Do you wish you could rapidly grant or revoke access to a
-user across a group of machines by enabling or disabling
-authentication for that user?</p>
+grant access to your users by name, instead of by opaque string? Do
+you wish you could rapidly revoke access to a user (or compromised
+key) across a group of machines by disabling authentication for that
+user?</p>
<p>A group of us have been working on a public key infrastructure for
SSH. <a href="http://monkeysphere.info">Monkeysphere</a> makes use of