diff --git a/modules/ixBidAdapter.md b/modules/ixBidAdapter.md
index 75950432d54..90592f258a6 100644
--- a/modules/ixBidAdapter.md
+++ b/modules/ixBidAdapter.md
@@ -141,19 +141,21 @@ var adUnits = [{
     bids: [{
         bidder: 'ix',
         params: {
-            siteId: '4622',
+            siteId: '12345',
             size: [300, 250]
         }
     }, {
         bidder: 'ix',
         params: {
-            siteId: '6242',
+            siteId: '12345',
             size: [300, 600]
         }
     }]
 }];
 ```
 
+Please note that you can re-use the existing `siteId` within the same flex position.
+
 ##### 2. Include `ixBidAdapter` in your build process
 
 When running the build command, include `ixBidAdapter` as a module.