diff --git a/NEWS b/NEWS
index 1d8783d3..d75200ab 100644
--- a/NEWS
+++ b/NEWS
@@ -5,7 +5,10 @@ General
 -------
 
 An optional new s-expression based query parser is available if
-notmuch is built with the `sfsexp` library.
+notmuch is built with the `sfsexp` library. See
+notmuch-sexp-queries(7) for syntax, and use `notmuch config get
+built_with.sexpr_queries` to check if notmuch is compiled with
+s-expression query support.
 
 Notmuch 0.33.2 (2021-09-30)
 ===========================