diff --git a/spring-test/src/main/java/org/springframework/mock/web/MockHttpServletResponse.java b/spring-test/src/main/java/org/springframework/mock/web/MockHttpServletResponse.java
index a1d5beefcd6..95f6092ebc5 100644
--- a/spring-test/src/main/java/org/springframework/mock/web/MockHttpServletResponse.java
+++ b/spring-test/src/main/java/org/springframework/mock/web/MockHttpServletResponse.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -424,7 +424,7 @@ public class MockHttpServletResponse implements HttpServletResponse {
 
 	/**
 	 * Return the names of all specified headers as a Set of Strings.
-	 * <p>As of Servlet 3.0, this method is also defined HttpServletResponse.
+	 * <p>As of Servlet 3.0, this method is also defined in {@link HttpServletResponse}.
 	 * @return the {@code Set} of header name {@code Strings}, or an empty {@code Set} if none
 	 */
 	@Override
@@ -435,7 +435,7 @@ public class MockHttpServletResponse implements HttpServletResponse {
 	/**
 	 * Return the primary value for the given header as a String, if any.
 	 * Will return the first value in case of multiple values.
-	 * <p>As of Servlet 3.0, this method is also defined in HttpServletResponse.
+	 * <p>As of Servlet 3.0, this method is also defined in {@link HttpServletResponse}.
 	 * As of Spring 3.1, it returns a stringified value for Servlet 3.0 compatibility.
 	 * Consider using {@link #getHeaderValue(String)} for raw Object access.
 	 * @param name the name of the header
@@ -450,7 +450,7 @@ public class MockHttpServletResponse implements HttpServletResponse {
 
 	/**
 	 * Return all values for the given header as a List of Strings.
-	 * <p>As of Servlet 3.0, this method is also defined in HttpServletResponse.
+	 * <p>As of Servlet 3.0, this method is also defined in {@link HttpServletResponse}.
 	 * As of Spring 3.1, it returns a List of stringified values for Servlet 3.0 compatibility.
 	 * Consider using {@link #getHeaderValues(String)} for raw Object access.
 	 * @param name the name of the header
diff --git a/spring-web/src/main/java/org/springframework/http/HttpHeaders.java b/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
index 9c547634b26..f5b94939511 100644
--- a/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
+++ b/spring-web/src/main/java/org/springframework/http/HttpHeaders.java
@@ -906,11 +906,12 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Return the first {@link Locale} of the content languages,
-	 * as specified by the {@literal Content-Language} header.
-	 * <p>Returns {@code null} when the content language is unknown.
-	 * <p>Use {@code getValuesAsList(CONTENT_LANGUAGE)} if you need
-	 * to get multiple content languages.</p>
+	 * Get the first {@link Locale} of the content languages, as specified by the
+	 * {@code Content-Language} header.
+	 * <p>Use {@link #getValuesAsList(String)} if you need to get multiple content
+	 * languages.
+	 * @return the first {@code Locale} of the content languages, or {@code null}
+	 * if unknown
 	 * @since 5.0
 	 */
 	@Nullable