diff --git a/demo/config.js b/demo/config.js
index 6cdd509761..8fa5756b04 100644
--- a/demo/config.js
+++ b/demo/config.js
@@ -201,6 +201,8 @@ shakaDemo.Config = class {
             'manifest.hls.ignoreImageStreamFailures')
         .addTextInput_('Default Audio Codec', 'manifest.hls.defaultAudioCodec')
         .addTextInput_('Default Video Codec', 'manifest.hls.defaultVideoCodec')
+        .addTextInput_('Default media playlist full mime type',
+            'manifest.hls.mediaPlaylistFullMimeType')
         .addBoolInput_('Ignore Program Date Time from manifest',
             'manifest.hls.ignoreManifestProgramDateTime')
         .addBoolInput_('Use Safari behavior for live',
@@ -415,6 +417,8 @@ shakaDemo.Config = class {
             'streaming.observeQualityChanges')
         .addNumberInput_('Max Variant Disabled Time',
             'streaming.maxDisabledTime')
+        .addBoolInput_('Parse PRFT box',
+            'streaming.parsePrftBox')
         .addNumberInput_('Segment Prefetch Limit',
             'streaming.segmentPrefetchLimit')
         .addBoolInput_('Live Sync', 'streaming.liveSync')
@@ -524,6 +528,7 @@ shakaDemo.Config = class {
     this.addSection_('Language', docLink)
         .addTextInput_('Preferred Audio Language', 'preferredAudioLanguage')
         .addTextInput_('Preferred Audio Label', 'preferredAudioLabel')
+        .addTextInput_('Preferred Variant Role', 'preferredVariantRole')
         .addTextInput_('Preferred Text Language', 'preferredTextLanguage')
         .addTextInput_('Preferred Text Role', 'preferredTextRole')
         .addSelectInput_('Auto-Show Text',
diff --git a/test/demo/demo_unit.js b/test/demo/demo_unit.js
index 8c51b43551..6bc297e4e3 100644
--- a/test/demo/demo_unit.js
+++ b/test/demo/demo_unit.js
@@ -74,14 +74,11 @@ describe('Demo', () => {
     function checkConfig(checkValueNameFn) {
       const configPrimitives = new Set(['number', 'string', 'boolean']);
       const exceptions = new Set()
-          .add('preferredVariantRole')
           .add('playRangeStart')
           .add('playRangeEnd')
           .add('manifest.dash.keySystemsByURI')
-          .add('manifest.hls.mediaPlaylistFullMimeType')
           .add('manifest.mss.keySystemsBySystemId')
           .add('drm.keySystemsMapping')
-          .add('streaming.parsePrftBox')
           .add('manifest.raiseFatalErrorOnManifestUpdateRequestFailure')
           .add('drm.persistentSessionOnlinePlayback')
           .add('drm.persistentSessionsMetadata');