Update nested-data.html.md

docsite/source/nested-data.html.md

@@ -132,11 +132,10 @@ If you have a value that could be `nil` or an array of hashes, use the !nil? ope
 # This allows "people": null or "people": [{ "name": "Alice", "age": 19 }, { "name": "Bob", "age": 20 }]
 schema = Dry::Schema.Params do
   required(:people).maybe(:array) do
-    !nil? do
-      hash do
-        required(:name).filled(:string)
-        required(:age).filled(:integer, gteq?: 18)
-      end
+    nil? | each(:hash) do
+      required(:name).filled(:string)
+      required(:age).filled(:integer, gteq?: 18)
     end
   end
 end
+```