diff --git a/README.md b/README.md
index 9c8e2f7..a3a8f1f 100644
--- a/README.md
+++ b/README.md
@@ -2,12 +2,16 @@
 
 ## Debian
 
-**auto url=https://vogsphere.baco.net/baco/born2beroot/raw/branch/master/preseed.cfg**
+[B.2.3. Auto mode](https://www.debian.org/releases/stable/amd64/apbs02.en.html)
+```
+auto url=https://vogsphere.baco.net/baco/born2beroot/raw/branch/master/preseed.cfg
+```
 
 - [Preseed](https://wiki.debian.org/DebianInstaller/Preseed)
 - [Automating the installation using preseeding](https://www.debian.org/releases/stable/amd64/apb.en.html)
 - [example-preseed.txt](https://www.debian.org/releases/stable/example-preseed.txt)
 - [Preseeding Full Disk Encryption](https://www.linuxjournal.com/content/preseeding-full-disk-encryption)
+- [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
 
 ```
 curl -sLo preseed.cfg https://www.debian.org/releases/stable/example-preseed.txt