Polish "Polish code and javadoc"

See gh-37112

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/filter/AnnotationCustomizableTypeExcludeFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/jdbc/AutoConfigureTestDatabase.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/web/servlet/WebDriverScope.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java

@@ -567,8 +567,8 @@ public class SpringApplication {
 	}
 
 	/**
-	 * Apply any relevant post-processing the {@link ApplicationContext}. Subclasses can
-	 * apply additional processing as required.
+	 * Apply any relevant post-processing to the {@link ApplicationContext}. Subclasses
+	 * can apply additional processing as required.
 	 * @param context the application context
 	 */
 	protected void postProcessApplicationContext(ConfigurableApplicationContext context) {