diff --git a/docs/reference/ingest/ingest-node.asciidoc b/docs/reference/ingest/ingest-node.asciidoc
index 68edbc431db..cce15984c79 100644
--- a/docs/reference/ingest/ingest-node.asciidoc
+++ b/docs/reference/ingest/ingest-node.asciidoc
@@ -220,8 +220,8 @@ Here is the structure of a simulate request against an existing pipeline:
 POST _ingest/pipeline/my-pipeline-id/_simulate
 {
   "docs" : [
-    { /** first document **/ },
-    { /** second document **/ },
+    { "_source": {/** first document **/} },
+    { "_source": {/** second document **/} },
     // ...
   ]
 }