Document that @⁠Validated & @⁠Lazy may be used as meta-annotations

See gh-36305
See gh-36306

spring-context/src/main/java/org/springframework/context/annotation/Lazy.java

@@ -54,6 +54,9 @@ import java.lang.annotation.Target;
  * for optional dependencies. For a programmatic equivalent, allowing for lazy references
  * with more sophistication, consider {@link org.springframework.beans.factory.ObjectProvider}.
  *
+ * <p>This annotation may be used as a <em>meta-annotation</em> to create custom
+ * <em>composed annotations</em>.
+ *
  * @author Chris Beams
  * @author Juergen Hoeller
  * @since 3.0

spring-context/src/main/java/org/springframework/validation/annotation/Validated.java

@@ -41,6 +41,9 @@ import java.lang.annotation.Target;
  * for a specific bean to begin with. Can also be used as a meta-annotation on a
  * custom stereotype annotation or a custom group-specific validated annotation.
  *
+ * <p>This annotation may be used as a <em>meta-annotation</em> to create custom
+ * <em>composed annotations</em>.
+ *
  * @author Juergen Hoeller
  * @since 3.1
  * @see jakarta.validation.Validator#validate(Object, Class[])