diff --git a/docs/utils/editors/builder.md b/docs/utils/editors/builder.md
index 68da6f4..ee655e9 100644
--- a/docs/utils/editors/builder.md
+++ b/docs/utils/editors/builder.md
@@ -117,7 +117,7 @@ Create a template:
 
     {# If it's a container: #}
     {% for item in children %}
-        {{ item|block_to_html }}
+        {{ item|block_to_html(context) }}
     {% endfor %}
 </div>
 ```
@@ -143,7 +143,7 @@ class CustomBlock extends BuilderBlock
 {
     // ...
 
-    public function buildVars(array $data)
+    public function buildVars(array $data, array $context)
     {
         $this->vars['bar'] = 'bar';
     }