added lambda example for Neptune

Author: scmacdon

.doc_gen/metadata/cross_metadata.yaml

@@ -2,7 +2,7 @@
 cross_Neptune_Query:
   title: Use the &neptune; API to develop an &LAM; function that queries graph data
   title_abbrev: Use the &neptune; API to query graph data
-  synopsis: create lambda functions that query graph data.
+  synopsis: use the &neptune; API to query graph data.
   category: Scenarios
   languages:
     Java: