nginx: update comment for session ticket keys

Author: thestinger

nginx/nginx.conf

@@ -71,7 +71,7 @@ http {
     ssl_certificate /etc/letsencrypt/live/attestation.app/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/attestation.app/privkey.pem;
 
-    # maintained by rotate-session-ticket-keys in noswap tmpfs
+    # managed externally in noswap tmpfs
     ssl_session_ticket_key /etc/tls/session-ticket-keys/4.key;
     ssl_session_ticket_key /etc/tls/session-ticket-keys/3.key;
     ssl_session_ticket_key /etc/tls/session-ticket-keys/2.key;