diff --git a/doc_source/configuration-vpc-endpoints.md b/doc_source/configuration-vpc-endpoints.md
index 2c15b7c4..af0834c1 100644
--- a/doc_source/configuration-vpc-endpoints.md
+++ b/doc_source/configuration-vpc-endpoints.md
@@ -80,7 +80,9 @@ The following is an example of an endpoint policy for Lambda\. When attached to
 {
    "Statement":[
       {
-         "Principal": "arn:aws:iam::123412341234:user/MyUser",
+         "Principal": {
+            "AWS": "arn:aws:iam::123412341234:user/MyUser",
+         }
          "Effect":"Allow",
          "Action":[
             "lambda:InvokeFunction"
@@ -91,4 +93,4 @@ The following is an example of an endpoint policy for Lambda\. When attached to
       }
    ]
 }
-```
\ No newline at end of file
+```