diff --git a/README.md b/README.md
index 243cc15..6c0f25a 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ setup-usl-mm_install_requirements ->
 configure main and universe repo in sources.list, install dialog utility
 
 usl-mm-bionic-upgrade ->
-replace current release codename with codename in first argument, upgrade LXD to 4.0 SNAP version, upgrade system, replace some lines in /root/onstart, reboot
+replace current release codename with codename in first argument, upgrade LXD to 4.16 SNAP version, upgrade system, replace some lines in /root/onstart, reboot
 
 setup-usl-mm ->
 1. Pre-reboot script ->