Match the and/or structure of the function

Author: Caspervw

dev-docs/publisher-api-reference.md

@@ -1795,15 +1795,16 @@ In the event of collisions, querystring values passed via `options.params` take
 ### pbjs.markWinningBidAsUsed(markBidRequest)
 
 This function can be used to mark the winning bid as used. This is useful when running multiple video advertisements on the page, since these are not automatically marked as “rendered”.
+If you know the adId, then be specific, otherwise Prebid will retrieve the winning bid for the adUnitCode and mark it accordingly.
 
 #### Argument Reference
 
-##### The `markBidRequest` object
+##### The `markBidRequest` object (use one or both)
 
 {: .table .table-bordered .table-striped }
 | Param | Type | Description |
 | --- | --- | --- |
-| adUnitCode | `string` | The ad unit code |
-| adId | `string` | The id representing the ad we want to mark |
+| adUnitCode | `string` | (Optional) The ad unit code |
+| adId | `string` | (Optional) The id representing the ad we want to mark |
 
 </div>

dev-docs/show-video-with-a-dfp-video-tag.md

@@ -134,21 +134,17 @@ Display banners are rendered with the help of the renderAd function. This functi
 ```javascript
 pbjs.requestBids({
     bidsBackHandler: function(bids) {
-        // The video advertisement you want to show
-        const bid = ...
-
         var videoUrl = pbjs.adServers.dfp.buildVideoUrl({
             adUnit: videoAdUnit,
-            bid: bid
             params: {
                 iu: '/19968336/prebid_cache_video_adunit'
             }
         });
 
         // Mark the bid, used in buildVideoUrl, as used
         pbjs.markWinningBidAsUsed({
-            adUnitCode: videoAdUnit.code
-            adId: bid.adId
+            adUnitCode: videoAdUnit.code // optional if you know the adId
+            adId: bid.adId // optional
         });
 
         invokeVideoPlayer(videoUrl);