diff --git a/README.md b/README.md
index 2a8422a..0dd983e 100644
--- a/README.md
+++ b/README.md
@@ -26,5 +26,5 @@ lxc config device add <name> <name>_disk disk source=/dev/vdf path=/mnt/pictures
 Then add it to `group_data/production.py`:
 
 ```
-photoprism_originals_src=/mnt/pictures'
+photoprism_originals_src='/mnt/pictures'
 ```