Polish "Reproducible build for spring-boot-maven-plugin:build-info"

See gh-26221

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/build-info-reproducible/src/main/java/org/test/SampleApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/BuildInfoMojo.java

@@ -70,8 +70,8 @@ public class BuildInfoMojo extends AbstractMojo {
 	/**
 	 * The value used for the {@code build.time} property in a form suitable for
 	 * {@link Instant#parse(CharSequence)}. Defaults to
-	 * {@code project.build.outputTimestamp} otherwise {@code session.request.startTime}
+	 * {@code project.build.outputTimestamp} or {@code session.request.startTime} if the
-	 * if property is not set. To disable the {@code build.time} property entirely, use
+	 * former is not set. To disable the {@code build.time} property entirely, use
 	 * {@code 'off'}.
 	 * @since 2.2.0
 	 */