diff --git a/source/includes/options-mongod.yaml b/source/includes/options-mongod.yaml
index 348faffa424..7a4b064dae7 100644
--- a/source/includes/options-mongod.yaml
+++ b/source/includes/options-mongod.yaml
@@ -1542,7 +1542,8 @@ directive: option
 description: |
   .. versionadded:: 2.8.0
 
-  Specifies the storage engine for the {{program}} database.
+  Specifies the storage engine for the {{program}} database. Valid
+  options include ``mmapv1`` and ``wiredTiger``.
 post: |
   If you attempt to start a {{program}} with a
   :option:`storage.dbPath` that contains data files produced by a
diff --git a/source/release-notes/2.8.txt b/source/release-notes/2.8.txt
index a9675cde49c..b10ad1dba9f 100644
--- a/source/release-notes/2.8.txt
+++ b/source/release-notes/2.8.txt
@@ -48,9 +48,17 @@ To enable WiredTiger, start MongoDB with the following option:
 
    mongod --storageEngine wiredTiger
 
+or by specifying the following value in the configuration file:
+
+.. code-block:: yaml
+
+   storage:
+      engine: wiredTiger
+
 If you attempt to start a :program:`mongod` with a
 :setting:`storage.dbPath` that contains data files produced by a
-storage engine other than the one specified by ``--storageEngine``,
+storage engine other than the one specified by ``--storageEngine``
+or the ``storage.engine`` configuration file option,
 :program:`mongod` will refuse to start.
 
 The behavior and properties of the ``wiredTiger`` storage engine are