diff --git a/core/modules/info/mediaquerytracker.js b/core/modules/info/mediaquerytracker.js
index 3750b6c33..4c48780d4 100644
--- a/core/modules/info/mediaquerytracker.js
+++ b/core/modules/info/mediaquerytracker.js
@@ -35,7 +35,7 @@ exports.getInfoTiddlerFields = function(updateInfoTiddlersCallback) {
 						return tiddlers;
 					};
 					infoTiddlerFields.push.apply(infoTiddlerFields,getResultTiddlers());
-					mqList.addListener(function(event) {
+					mqList.addEventListener("change",function(event) {
 						updateInfoTiddlersCallback(getResultTiddlers());
 					});
 				}
diff --git a/core/wiki/config/MediaQueryTrackers/DarkLightSwitch.tid b/core/wiki/config/MediaQueryTrackers/DarkLightPreferred.tid
similarity index 69%
rename from core/wiki/config/MediaQueryTrackers/DarkLightSwitch.tid
rename to core/wiki/config/MediaQueryTrackers/DarkLightPreferred.tid
index bc3cfa3e1..6b5e9f26c 100644
--- a/core/wiki/config/MediaQueryTrackers/DarkLightSwitch.tid
+++ b/core/wiki/config/MediaQueryTrackers/DarkLightPreferred.tid
@@ -1,4 +1,4 @@
-title: $:/core/wiki/config/MediaQueryTrackers/DarkLightSwitch
+title: $:/core/wiki/config/MediaQueryTrackers/DarkLightPreferred
 tags: $:/tags/MediaQueryTracker
 media-query: (prefers-color-scheme: dark)
 info-tiddler: $:/info/browser/darkmode
diff --git a/editions/tw5.com/tiddlers/mechanisms/InfoMechanism.tid b/editions/tw5.com/tiddlers/mechanisms/InfoMechanism.tid
index ffd3377a9..77ae1ec74 100644
--- a/editions/tw5.com/tiddlers/mechanisms/InfoMechanism.tid
+++ b/editions/tw5.com/tiddlers/mechanisms/InfoMechanism.tid
@@ -19,7 +19,7 @@ System tiddlers in the namespace `$:/info/` are used to expose information about
 |[[$:/info/browser/language]] |<<.from-version "5.1.20">> Language as reported by browser (note that some browsers report two character codes such as `en` while others report full codes such as `en-GB`) |
 |[[$:/info/browser/screen/width]] |Screen width in pixels |
 |[[$:/info/browser/screen/height]] |Screen height in pixels |
-|[[$:/info/browser/darkmode]] |<<.from-version "5.3.6">> Is dark mode enabled? ("yes" or "no") |
+|[[$:/info/browser/darkmode]] |<<.from-version "5.3.6">> Is dark mode preferred? ("yes" or "no") |
 |[[$:/info/darkmode]] |<<.deprecated-since "5.3.6">> Alias for  $:/info/browser/darkmode |
 |[[$:/info/node]] |Running under [[Node.js]]? ("yes" or "no") |
 |[[$:/info/url/full]] |<<.from-version "5.1.14">> Full URL of wiki (eg, ''<<example full>>'') |