diff --git a/dev-docs/bidders/indexExchange.md b/dev-docs/bidders/indexExchange.md
index 2ff1d9ffc5..9c6e245e4c 100644
--- a/dev-docs/bidders/indexExchange.md
+++ b/dev-docs/bidders/indexExchange.md
@@ -4,6 +4,7 @@ title: Index Exchange
 description: Prebid Index Exchange Bidder Adapter
 biddercode: ix
 hide: true
+schain_supported: true
 gdpr_supported: true
 usp_supported: true
 media_types: banner, video
@@ -142,7 +143,7 @@ var adUnits = [{
 }];
 ```
 
-##### 1. Add IX to the appropriate ad units
+### 1. Add IX to the appropriate ad units
 
 For each size in an ad unit that IX will be bidding on, add one of the following
 bid objects under `adUnits[].bids`:
@@ -259,7 +260,20 @@ var adUnits = [{
 }];
 ```
 
-##### 2. Include `ixBidAdapter` in your build process
+#### Video Caching
+
+Note that the IX adapter expects a client-side Prebid Cache to be enabled for video bidding.
+
+```
+pbjs.setConfig({
+    usePrebidCache: true,
+    cache: {
+        url: 'https://prebid.adnxs.com/pbc/v1/cache'
+    }
+});
+```
+
+### 2. Include `ixBidAdapter` in your build process
 
 When running the build command, include `ixBidAdapter` as a module, as well as `dfpAdServerVideo` if you require video support.