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+## Thorium Network Error Interstitial Resources
+
+This directory contains the HTML template and resources displayed in the case of
+network errors received when fetching the root document or iframes. These error
+pages can be previewed by following the links listed in chrome://network-errors.
+
+The same template is used across all desktop and mobile platforms and for main
+frames and iframes.
+
+This dir also includes the scripts and images for the Thorium Dino game.
+
+---
+See also:
+- https://chromium.googlesource.com/chromium/src/+/main/components/neterror for the code that utilises this template
+- https://chromium.googlesource.com/chromium/src/+/main/components/security_interstitials/core/common/resources/ for commons CSS and JS files with security interstitials
+