Fixes incorrect filename in aws-cfn-stacks docs
diff --git a/guide/blueprints/workflow/examples/aws-cfn-stacks/index.md b/guide/blueprints/workflow/examples/aws-cfn-stacks/index.md
index 9c5a946..35d00c1 100644
--- a/guide/blueprints/workflow/examples/aws-cfn-stacks/index.md
+++ b/guide/blueprints/workflow/examples/aws-cfn-stacks/index.md
@@ -14,7 +14,7 @@
 Firstly, we define our type to represent discovered stack and be able to refresh `on_update`:
 
 {% highlight yaml %}
-{% readj aws-cfn-type.yaml %}
+{% readj aws-cfn-type.bom %}
 {% endhighlight %}
 
 This should be added to the catalog.