diff --git a/.dotfiles/docs/arch.md b/.dotfiles/docs/arch.md
new file mode 100644
index 0000000..a14958a
--- /dev/null
+++ b/.dotfiles/docs/arch.md
@@ -0,0 +1,7 @@
+# ArchLinux
+
+## Update mirrorlist
+
+```
+# systemctl start reflector
+```