Tweak javadocs in SprinApplicationBuilder

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.java

@@ -21,7 +21,7 @@ import java.util.Map;
 import javax.persistence.EntityManager;
 import javax.sql.DataSource;
 
-import org.hibernate.ejb.HibernateEntityManager;
+import org.hibernate.jpa.HibernateEntityManager;
 import org.springframework.beans.factory.BeanClassLoaderAware;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;

spring-boot/src/main/java/org/springframework/boot/builder/SpringApplicationBuilder.java

@@ -453,8 +453,10 @@ public class SpringApplicationBuilder {
 	}
 
 	/**
-	 * Add some initializers to the application (applied to the {@link ApplicationContext}
-	 * before any bean definitions are loaded).
+	 * Add some listeners to the application (listening for SpringApplication events as
+	 * well as regular Spring events once the context is running). Any listeners that are
+	 * also {@link ApplicationContextInitializer} will be added to the
+	 * {@link #initializers(ApplicationContextInitializer...) initializers} automatically.
 	 * @param listeners some listeners to add
 	 * @return the current builder
 	 */