diff --git a/README.md b/README.md
index 3002494..b22dc3a 100644
--- a/README.md
+++ b/README.md
@@ -51,6 +51,7 @@ Ubuntu has several variants ( flavors ). While while only the MATE flavor is tes
 - [AN01 : How to recover from the mistyping of the passphrase](appnote/an01_howtorecover.md)
 - [AN02 : Managing LUKS key slots](appnote/an02_keyslot.md)
 - [AN03 : The ITERTIME parameter and vulnerability](appnote/an03_itertime.md)
+- [AN04 : How to make LUKS volume to the favorite partition](appnote/an04_favoritepartition.md)
 
 # Acknowledgments
 These scripts are based on the script by [myn's diary](https://myn.hatenablog.jp/entry/install-ubuntu-focal-with-lvm-on-luks). That page contains rich information, hint, and techniques around the encrypted volume and Ubiquity installer.