diff --git a/docs/guide/ingress/ingress_class.md b/docs/guide/ingress/ingress_class.md
index 08a8558327..20a5c26c55 100644
--- a/docs/guide/ingress/ingress_class.md
+++ b/docs/guide/ingress/ingress_class.md
@@ -182,7 +182,7 @@ You can use IngressClassParams to enforce settings for a set of Ingresses.
     metadata:
       name: class2048-config
     spec:
-      prefixListsIDs:
+      PrefixListsIDs:
         - pl-00000000
         - pl-11111111
     ```