diff --git a/README.md b/README.md
index 46c3c65..585004c 100644
--- a/README.md
+++ b/README.md
@@ -34,3 +34,14 @@ Installation
 5. You will be able to log in with your original root password. The replaced
    Debian files are located in `/oldroot`, which may be safely deleted to
    free up space.
+
+Advanced Configuration
+----------------------
+* You may set `archlinux_mirror` in the script to a mirror closer to your
+  droplet's datacenter for a faster installation.
+
+Known Issues
+------------
+* IPv6 settings are not migrated.
+* Private networking settings are not migrated.
+* Hostname is reset to `localhost`.