diff --git a/examples/eosio.token.ts b/examples/eosio.token.ts
index 2403620..b95c176 100644
--- a/examples/eosio.token.ts
+++ b/examples/eosio.token.ts
@@ -28,7 +28,10 @@ const authorization = process.env.SUBSTREAMS_API_TOKEN;
             console.log(message);
         }
     });
+    // add single param (defaults to current `outputModule`)
     substreams.param(param);
+
+    // add params to various map modules
     substreams.params(params);
     substreams.start();
 })();
\ No newline at end of file