diff --git a/docs/en/05_datastores.md b/docs/en/05_datastores.md
index cf2b4ec..d35194d 100644
--- a/docs/en/05_datastores.md
+++ b/docs/en/05_datastores.md
@@ -37,7 +37,7 @@ use SilverStripe\MFA\Store\StoreInterface;
 // Apply extension to SilverStripe\MFA\Authenticator\LoginHandler
 class MyLoginHandlerExtension extends Extension
 {
-    public function onBeforeSaveRequestToStore(HTTPRequest $request, StoreInterface $store): void
+    protected function onBeforeSaveRequestToStore(HTTPRequest $request, StoreInterface $store): void
     {
         $request->offsetUnset('MySecretField');
     }
diff --git a/docs/en/08_backup-codes.md b/docs/en/08_backup-codes.md
index e39c5de..5eedc7a 100644
--- a/docs/en/08_backup-codes.md
+++ b/docs/en/08_backup-codes.md
@@ -81,7 +81,7 @@ class BackupCodeGeneratorExtension extends Extension
     /**
      * Add some special characters into the character set for generating backup codes
      */
-    public function updateCharacterSet(&$characterSet)
+    protected function updateCharacterSet(&$characterSet)
     {
         $characterSet = array_merge($characterSet, ['!', '@', '#', '$', '%', '^']);
     }