Fix typo

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>

Author: quaff

spring-batch-infrastructure/src/main/java/org/springframework/batch/item/file/builder/FlatFileItemWriterBuilder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2023 the original author or authors.
+ * Copyright 2016-2025 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.
@@ -97,7 +97,7 @@ public FlatFileItemWriterBuilder<T> saveState(boolean saveState) {
 	 * The name used to calculate the key within the
 	 * {@link org.springframework.batch.item.ExecutionContext}. Required if
 	 * {@link #saveState(boolean)} is set to true.
-	 * @param name name of the reader instance
+	 * @param name name of the writer instance
 	 * @return The current instance of the builder.
 	 * @see org.springframework.batch.item.ItemStreamSupport#setName(String)
 	 */