diff --git a/src/services/pis.services.js b/src/services/pis.services.js
index be72507..f37cfc3 100644
--- a/src/services/pis.services.js
+++ b/src/services/pis.services.js
@@ -39,7 +39,7 @@ async function findPisByCode(code) {
 
 async function findRandom() {
   log.out('pisServices.findRandom: Finding five random PIS Codes', 'dbug');
-  const query = {
+  const query = { // Doesn't work, need aggregation
     $sample: {
       size: 5
     }