diff --git a/.dotfiles/docs/chromium.md b/.dotfiles/docs/chromium.md
new file mode 100644
index 0000000..77255b0
--- /dev/null
+++ b/.dotfiles/docs/chromium.md
@@ -0,0 +1,9 @@
+# Chromium
+
+## Enable media casting
+
+Just enable this flag and restart the browser:
+
+```
+chrome://flags/#load-media-router-component-extension
+```