diff --git a/spring-aop/src/main/java/org/springframework/aop/framework/AdvisedSupport.java b/spring-aop/src/main/java/org/springframework/aop/framework/AdvisedSupport.java
index 5cd193c89f..2aebe1688d 100644
--- a/spring-aop/src/main/java/org/springframework/aop/framework/AdvisedSupport.java
+++ b/spring-aop/src/main/java/org/springframework/aop/framework/AdvisedSupport.java
@@ -369,8 +369,7 @@ public class AdvisedSupport extends ProxyConfig implements Advised {
 	private void validateIntroductionAdvisor(IntroductionAdvisor advisor) {
 		advisor.validateInterfaces();
 		// If the advisor passed validation, we can make the change.
-		Class<?>[] ifcs = advisor.getInterfaces();
-		for (Class<?> ifc : ifcs) {
+		for (Class<?> ifc : advisor.getInterfaces()) {
 			addInterface(ifc);
 		}
 	}
diff --git a/spring-beans/src/main/java/org/springframework/beans/factory/support/RegisteredBean.java b/spring-beans/src/main/java/org/springframework/beans/factory/support/RegisteredBean.java
index 791a450f8c..da3b8e6ec3 100644
--- a/spring-beans/src/main/java/org/springframework/beans/factory/support/RegisteredBean.java
+++ b/spring-beans/src/main/java/org/springframework/beans/factory/support/RegisteredBean.java
@@ -43,6 +43,8 @@ import org.springframework.util.StringUtils;
  * In the case of inner-beans, the bean name may have been generated.
  *
  * @author Phillip Webb
+ * @author Stephane Nicoll
+ * @author Juergen Hoeller
  * @since 6.0
  */
 public final class RegisteredBean {
@@ -262,9 +264,11 @@ public final class RegisteredBean {
 
 	/**
 	 * Descriptor for how a bean should be instantiated. While the {@code targetClass}
-	 * is usually the declaring class of the {@code executable}, there are cases
-	 * where retaining the actual concrete type is necessary.
-	 * @param executable the {@link Executable} to invoke
+	 * is usually the declaring class of the {@code executable} (in case of a constructor
+	 * or a locally declared factory method), there are cases where retaining the actual
+	 * concrete class is necessary (e.g. for an inherited factory method).
+	 * @param executable the {@link Executable} ({@link java.lang.reflect.Constructor}
+	 * or {@link java.lang.reflect.Method}) to invoke
 	 * @param targetClass the target {@link Class} of the executable
 	 * @since 6.1.7
 	 */