diff --git a/js/pis.js b/js/pis.js
index 259aabb..a6c8a06 100644
--- a/js/pis.js
+++ b/js/pis.js
@@ -23,6 +23,9 @@ async function fetchOrigDest() {
 }
 
 async function displayData(json) {
+    // Receives the JSON Respose ([{},{}]) containing one or more possible
+    // PIS codes.  Display the code and the stops with a method of scrolling between them.
+    // Maybe as a table or a carousel?
     log(`displayData: ${JSON.stringify(json)}`)
 }