diff --git a/admin_manual/configuration_files/previews_configuration.rst b/admin_manual/configuration_files/previews_configuration.rst
index c7b5927b28d..e01bf5be885 100644
--- a/admin_manual/configuration_files/previews_configuration.rst
+++ b/admin_manual/configuration_files/previews_configuration.rst
@@ -137,4 +137,4 @@ Default WebP quality setting for preview images is '80'. Change this with:
 
 ::
 
-  'webp_quality' => '30',
+  occ config:app:set preview webp_quality --value="30"