minor: rename var that holds a single user id to userId

1 files changed, 3 insertions, 3 deletions

diff --git a/users/app/designs/message/by_user_ids_to_show.js b/users/app/designs/message/by_user_ids_to_show.js
index 95ccd0d..e33566b 100644
--- a/users/app/designs/message/by_user_ids_to_show.js
+++ b/users/app/designs/message/by_user_ids_to_show.js
@@ -1,7 +1,7 @@
 function (doc) {
   if (doc.type === 'Message' && doc.user_ids_to_show && Array.isArray(doc.user_ids_to_show)) {
-    doc.user_ids_to_show.forEach(function (userIdsToShow) {
-      emit(userIdsToShow, 1);
+    doc.user_ids_to_show.forEach(function (userId) {
+      emit(userId, 1);
     });
   }
-}
\ No newline at end of file
+}