diff --git a/docs/en/dataobjects.md b/docs/en/dataobjects.md
index 8499e86c..616b6f5c 100644
--- a/docs/en/dataobjects.md
+++ b/docs/en/dataobjects.md
@@ -78,7 +78,7 @@ use TractorCow\Fluent\Extension\FluentExtension;
 
 class PlayerExtension extends FluentExtension
 {
-    public function updateCMSFields(FieldList $fields)
+    protected function updateCMSFields(FieldList $fields)
     {
         $fields->removeByName('SomeIrrelevantField');
         parent::updateCMSFields($fields);
diff --git a/docs/en/scenarios.md b/docs/en/scenarios.md
index 8702de49..7b0ef5d0 100644
--- a/docs/en/scenarios.md
+++ b/docs/en/scenarios.md
@@ -128,7 +128,7 @@ class SiteTreeFluentExtension extends SiteTreeExtension
      * @param SQLSelect $query
      * @param DataQuery|null $dataQuery
      */
-    public function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null)
+    protected function augmentSQL(SQLSelect $query, DataQuery $dataQuery = null)
     {
         // We only want to apply this logic on the frontend.
         if (!FluentState::singleton()->getIsFrontend()) {
diff --git a/src/Extension/FluentReadVersionsExtension.php b/src/Extension/FluentReadVersionsExtension.php
index 92a95232..13224180 100644
--- a/src/Extension/FluentReadVersionsExtension.php
+++ b/src/Extension/FluentReadVersionsExtension.php
@@ -22,7 +22,7 @@ class FluentReadVersionsExtension extends Extension
      *
      * @param DataList &$list
      */
-    public function updateList(DataList &$list)
+    protected function updateList(DataList &$list)
     {
         /** @var DataObject $singleton */
         $singleton = Injector::inst()->get($list->dataClass());