diff --git a/doc/book/cookbook/kubernetes.md b/doc/book/cookbook/kubernetes.md
index dfeb3281..1a52b5c0 100644
--- a/doc/book/cookbook/kubernetes.md
+++ b/doc/book/cookbook/kubernetes.md
@@ -47,6 +47,9 @@ garage:
   # Use only 2 replicas per object
   replicationMode: "2"
 
+  # Use recommended lmdb db engine
+  dbEngine: "lmdb"
+
 # Start 4 instances (StatefulSets) of garage
 deployment:
   replicaCount: 4