diff --git a/docs/contenttypes/intro.md b/docs/contenttypes/intro.md
index 9c697e9e..09f92271 100644
--- a/docs/contenttypes/intro.md
+++ b/docs/contenttypes/intro.md
@@ -376,7 +376,7 @@ __nodes:
     content_defaults: &content_defaults
         image:
             type: image
-            attrib: title
+            alt: true
         body:
             type: html
             height: 300px