Updated Code Style (markdown)

Code-Style.md

@@ -260,11 +260,11 @@ Assert.state(event != null, "Event must not be null");
 
 The null-safety of Spring Framework APIs and fields must be specified using [related annotations](https://docs.spring.io/spring-framework/reference/core/null-safety.html), and consistency is enforced at build-time via [NullAway](https://github.com/uber/NullAway).
 
-Packages are expected to enable non-null as the default in `package-info.java`:
+Packages are expected to define non-null as the default in `package-info.java`:
 ```java
 @NonNullApi
 @NonNullFields
-package org.springframework.core;
+package org.springframework.mypackage;
 ```
 
 And nullable fields, return values and parameters are expected to be specified explicitly using `@Nullable`: