diff --git a/src/chrome/browser/thorium_flag_entries.h b/src/chrome/browser/thorium_flag_entries.h
index 1f7c33e2..c92a5f5a 100644
--- a/src/chrome/browser/thorium_flag_entries.h
+++ b/src/chrome/browser/thorium_flag_entries.h
@@ -14,13 +14,15 @@
      "Enables high contrast mode for all Thorium instances.",
      kOsDesktop, SINGLE_VALUE_TYPE(switches::kForceHighContrast)},
     {"tab-outlines-in-low-contrast-themes",
-     flag_descriptions::kTabOutlinesInLowContrastThemesName,
-     flag_descriptions::kTabOutlinesInLowContrastThemesDescription, kOsDesktop,
-     FEATURE_VALUE_TYPE(features::kTabOutlinesInLowContrastThemes)},
+     "Tab Outlines in Low Contrast Themes";
+     "Expands the range of situations in which tab outline strokes are "
+     "displayed, improving accessiblity in dark and incognito mode.";
+     kOsDesktop, SINGLE_VALUE_TYPE(features::kTabOutlinesInLowContrastThemes)},
     {"prominent-dark-mode-active-tab-title",
-     flag_descriptions::kProminentDarkModeActiveTabTitleName,
-     flag_descriptions::kProminentDarkModeActiveTabTitleDescription, kOsDesktop,
-     FEATURE_VALUE_TYPE(features::kProminentDarkModeActiveTabTitle)},
+     "Prominent Dark Mode Active Tab Titles";
+     "Makes the active tab title in dark mode bolder so the active tab is "
+     "easier to identify.";
+     kOsDesktop, SINGLE_VALUE_TYPE(features::kProminentDarkModeActiveTabTitle)},
     {"custom-ntp",
      "Custom New Tab Page",
      "Allows setting a custom URL for the New Tab Page (NTP). Value can be internal (e.g. `about:blank`), external (e.g. `example.com`), or local (e.g. `file:///tmp/startpage.html`). This applies for incognito windows as well when not set to a `chrome://` internal page.",