diff --git a/NEWS b/NEWS
index 8f250ab9..c08c564e 100644
--- a/NEWS
+++ b/NEWS
@@ -20,6 +20,10 @@ mboxes); e.g. `gzip -9 $MAIL/archive/giant-message && notmuch new`
 should work. Note that maildir flag syncing for gzipped messages is
 currently untested.
 
+Notmuch is now capable of indexing, searching and rendering
+cryptographically-protected Subject: headers of the form produced by
+Enigmail and K-9 mail in encrypted messages.
+
 Command Line Interface
 ----------------------
 
@@ -30,7 +34,8 @@ Fix several performance problems with `notmuch reindex`.
 
 `notmuch show` and `notmuch reply` now emit per-message cryptographic
 status in their json and sexp output formats.  See devel/schemata for
-more details about what is included there.
+more details about what is included there.  This status includes
+information about cryptographic protections for the Subject header.
 
 Emacs
 -----