diff --git a/files/en-us/mozilla/add-ons/webextensions/api/browsersettings/overridecontentcolorscheme/index.md b/files/en-us/mozilla/add-ons/webextensions/api/browsersettings/overridecontentcolorscheme/index.md
index a92078402da99d2..e2734d970f6ab84 100644
--- a/files/en-us/mozilla/add-ons/webextensions/api/browsersettings/overridecontentcolorscheme/index.md
+++ b/files/en-us/mozilla/add-ons/webextensions/api/browsersettings/overridecontentcolorscheme/index.md
@@ -9,14 +9,13 @@ browser-compat: webextensions.api.browserSettings.overrideContentColorScheme
 
 A {{WebExtAPIRef("types.BrowserSetting", "BrowserSetting")}} object whose underlying value is a string.
 
-Firefox enables users to choose a theme for the browser UI. These themes apply either a light or dark theme to webpages. Using the `layout.css.prefers-color-scheme.content-override` preference, users can override the theme and choose to render webpages in a light or dark theme or follow the device's theme. This browser setting exposes that preference.
+Firefox enables users to choose a theme for the browser UI. These themes apply either a light or dark theme to webpages. Using the `layout.css.prefers-color-scheme.content-override` preference, users can override the theme and choose to render webpages in a light or dark theme. This browser setting exposes that preference.
 
 This object takes these values:
 
 - "light": Applies a light theme to webpages.
 - "dark": Applies a dark theme to webpages.
-- "system": Applies a light or dark theme to webpages based on the device's theme.
-- "browser": Applies a light or dark theme to webpages based on the browser's theme.
+- "auto": Automatically applies a light or dark theme to webpages based on the browser's theme.
 
 ## Browser compatibility