diff --git a/docs/chap16/16.7.md b/docs/chap16/16.7.md
index 01714f4..cdd741f 100644
--- a/docs/chap16/16.7.md
+++ b/docs/chap16/16.7.md
@@ -16,7 +16,7 @@ metadata:
   name: laptop
   namespace: study-ingress
 spec:
-ingressClassName: nginx
+  ingressClassName: nginx
   rules:
   - host: test.com
     http: