diff --git a/spring-core/src/main/java/org/springframework/core/io/buffer/DataBufferUtils.java b/spring-core/src/main/java/org/springframework/core/io/buffer/DataBufferUtils.java
index 41a3760fbe3..12735929374 100644
--- a/spring-core/src/main/java/org/springframework/core/io/buffer/DataBufferUtils.java
+++ b/spring-core/src/main/java/org/springframework/core/io/buffer/DataBufferUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2021 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.
@@ -71,7 +71,7 @@ public abstract class DataBufferUtils {
 	//---------------------------------------------------------------------
 
 	/**
-	 * Obtain a {@link InputStream} from the given supplier, and read it into a
+	 * Obtain an {@link InputStream} from the given supplier, and read it into a
 	 * {@code Flux} of {@code DataBuffer}s. Closes the input stream when the
 	 * Flux is terminated.
 	 * @param inputStreamSupplier the supplier for the input stream to read from
@@ -125,7 +125,7 @@ public abstract class DataBufferUtils {
 	}
 
 	/**
-	 * Obtain a {@code AsynchronousFileChannel} from the given supplier, and
+	 * Obtain an {@code AsynchronousFileChannel} from the given supplier, and
 	 * read it into a {@code Flux} of {@code DataBuffer}s, starting at the given
 	 * position. Closes the channel when the Flux is terminated.
 	 * @param channelSupplier the supplier for the channel to read from
diff --git a/spring-web/src/main/java/org/springframework/http/codec/multipart/FileStorage.java b/spring-web/src/main/java/org/springframework/http/codec/multipart/FileStorage.java
index eb6b75b6b4b..403553d79d3 100644
--- a/spring-web/src/main/java/org/springframework/http/codec/multipart/FileStorage.java
+++ b/spring-web/src/main/java/org/springframework/http/codec/multipart/FileStorage.java
@@ -59,8 +59,8 @@ abstract class FileStorage {
 	}
 
 	/**
-	 * Create a new {@code FileStorage} based a on a temporary directory.
-	 * @param scheduler scheduler to use for blocking operations
+	 * Create a new {@code FileStorage} based on a temporary directory.
+	 * @param scheduler the scheduler to use for blocking operations
 	 */
 	public static FileStorage tempDirectory(Supplier<Scheduler> scheduler) {
 		return new TempFileStorage(scheduler);
diff --git a/spring-web/src/main/java/org/springframework/http/codec/multipart/SynchronossPartHttpMessageReader.java b/spring-web/src/main/java/org/springframework/http/codec/multipart/SynchronossPartHttpMessageReader.java
index 5cb374c7704..440891b7ae7 100644
--- a/spring-web/src/main/java/org/springframework/http/codec/multipart/SynchronossPartHttpMessageReader.java
+++ b/spring-web/src/main/java/org/springframework/http/codec/multipart/SynchronossPartHttpMessageReader.java
@@ -470,6 +470,7 @@ public class SynchronossPartHttpMessageReader extends LoggingCodecSupport implem
 		}
 
 		@Override
+		@SuppressWarnings("resource")
 		public Flux<DataBuffer> content() {
 			return DataBufferUtils.readInputStream(
 					getStorage()::getInputStream, DefaultDataBufferFactory.sharedInstance, 4096);