diff --git a/spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java b/spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java
index 2a05265b09..7fad2a4b3d 100644
--- a/spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java
+++ b/spring-core/src/main/java/org/springframework/util/MimeTypeUtils.java
@@ -399,6 +399,16 @@ public abstract class MimeTypeUtils {
 		return new String(generateMultipartBoundary(), StandardCharsets.US_ASCII);
 	}
 
+	/**
+	 * Simple Least Recently Used cache, bounded by the maximum size given
+	 * to the class constructor.
+	 * This implementation is backed by a {@code ConcurrentHashMap} for storing
+	 * the cached values and a {@code ConcurrentLinkedQueue} for ordering
+	 * the keys and choosing the least recently used key when the cache is at
+	 * full capacity.
+ 	 * @param <K> the type of the key used for caching
+	 * @param <V> the type of the cached values
+	 */
 	static class ConcurrentLRUCache<K, V> {
 
 		private final int maxSize;
@@ -418,7 +428,7 @@ public abstract class MimeTypeUtils {
 			this.generator = generator;
 		}
 
-		public V get(K key) {
+		V get(K key) {
 			this.lock.readLock().lock();
 			try {
 				if (this.queue.remove(key)) {
diff --git a/spring-web/src/main/java/org/springframework/http/MediaType.java b/spring-web/src/main/java/org/springframework/http/MediaType.java
index b00eabec6e..78db60611b 100644
--- a/spring-web/src/main/java/org/springframework/http/MediaType.java
+++ b/spring-web/src/main/java/org/springframework/http/MediaType.java
@@ -328,7 +328,7 @@ public class MediaType extends MimeType implements Serializable {
 		APPLICATION_FORM_URLENCODED = new MediaType("application", "x-www-form-urlencoded");
 		APPLICATION_JSON = new MediaType("application", "json");
 		APPLICATION_JSON_UTF8 = new MediaType("application", "json", StandardCharsets.UTF_8);
-		APPLICATION_OCTET_STREAM = new MediaType("application", "octet-stream");;
+		APPLICATION_OCTET_STREAM = new MediaType("application", "octet-stream");
 		APPLICATION_PDF = new MediaType("application", "pdf");
 		APPLICATION_PROBLEM_JSON = new MediaType("application", "problem+json");
 		APPLICATION_PROBLEM_JSON_UTF8 = new MediaType("application", "problem", StandardCharsets.UTF_8);