diff --git a/README.md b/README.md
index a8b24ec..1e5abc2 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,9 @@
 # photoprism
 
-Pyinfra that deploys PhotoPrism un-dockerized. Mostly to be used in LXD/C.
+Pyinfra that deploy PhotoPrism un-dockerized on a Debian 11 LXD container.
 
 # Deployment
 
-## On LXD
-
 ```
 # lxc launch images:debian/11 <name>
 # lxec exec <name> bash
@@ -13,9 +11,14 @@ Pyinfra that deploys PhotoPrism un-dockerized. Mostly to be used in LXD/C.
 # pip install pyinfra
 # git clone https://git.benpro.fr/benoit/photoprism.git
 # cd photoprism
+# ###!!!### Edit group_data/production.py
 # pyinfra @local deploy.py
 ```
 
 # Attach a pictures volume
 
-If required, you can mount an external volume.
+If required, you can mount external volumes. Example:
+
+```
+lxc config device add <name> <name>_disk disk source=/dev/vdf path=/home/photoprism/storage/originals readonly=true raw.mount.options=noload
+```