diff --git a/NEWS.org b/NEWS.org
index c7fd23fb..c3bbf7ef 100644
--- a/NEWS.org
+++ b/NEWS.org
@@ -13,6 +13,11 @@
     - experimental: support folding message threads (with TAB / S-TAB).
       See the [[info:mu4e:Folding threads][manual entry]] for further details.
 
+    - mailing list support was modernized a bit; the format changed (see the
+      `mu4e-mailing-lists` and `mu4e-user-mailing-lists` docstrings. There is
+      `mu4e-mailing-list-info-refresh` to update to the new values after
+      changing them.
+
 
 * 1.10 (released on March 26, 2023)
 
diff --git a/mu4e/mu4e-lists.el b/mu4e/mu4e-lists.el
index 8983ec11..d58111f2 100644
--- a/mu4e/mu4e-lists.el
+++ b/mu4e/mu4e-lists.el
@@ -74,8 +74,10 @@ These are used in addition to the built-in list
 
 The older format, a list of cons cells,
   (LIST-ID . NAME)
-is still supported for backward compatibility, but
-you are encouraged to use the new format."
+is still supported for backward compatibility.
+
+After changing, use `mu4e-mailing-list-info-refresh' to make mu4e
+use the new values."
   :group 'mu4e-headers
   :type '(repeat (plist)))