diff --git a/src/fragments/lib/datastore/js/data-access/save-snippet.mdx b/src/fragments/lib/datastore/js/data-access/save-snippet.mdx
index 277318b7465..06c120cec4e 100644
--- a/src/fragments/lib/datastore/js/data-access/save-snippet.mdx
+++ b/src/fragments/lib/datastore/js/data-access/save-snippet.mdx
@@ -6,4 +6,10 @@ await DataStore.save(
     status: PostStatus.INACTIVE
   })
 );
-```
\ No newline at end of file
+```
+
+<Callout>
+
+Omitted or `undefined` optional fields are converted to `null` upon instantiation.
+
+</Callout>
\ No newline at end of file