diff --git a/www/docs/cli/filebrowser.md b/www/docs/cli/filebrowser.md
index 5d18e8d2..ae76fdd9 100644
--- a/www/docs/cli/filebrowser.md
+++ b/www/docs/cli/filebrowser.md
@@ -68,6 +68,7 @@ filebrowser [flags]
       --noauth                         use the noauth auther when using quick setup
       --password string                hashed password for the first user when using quick setup
   -p, --port string                    port to listen on (default "8080")
+      --redisCacheUrl string           redis cache URL (for multi-instance deployments), e.g. redis://user:pass@host:port
   -r, --root string                    root to prepend to relative paths (default ".")
       --socket string                  socket to listen to (cannot be used with address, port, cert nor key flags)
       --socketPerm uint32              unix socket file permissions (default 438)