diff --git a/aula-09/README.md b/aula-09/README.md
index 898d400..0fed81a 100644
--- a/aula-09/README.md
+++ b/aula-09/README.md
@@ -177,10 +177,10 @@ source .env
 helm upgrade n8n community-charts/n8n \
   -n n8n \
   -f custom-values.yaml \
-  --set ingress.hosts[0].host=${N8N_HOST} \
-  --set ingress.hosts[0].paths[0].path=/ \
-  --set ingress.hosts[0].paths[0].pathType=Prefix \
-  --set webhook.url=https://${N8N_HOST} \
+  --set "ingress.hosts[0].host=${N8N_HOST}" \
+  --set "ingress.hosts[0].paths[0].path=/" \
+  --set "ingress.hosts[0].paths[0].pathType=Prefix" \
+  --set "webhook.url=https://${N8N_HOST}" \
   --wait \
   --timeout 10m
 ```