HttpHeaders#setContentLanguage javadoc refers to non-existing method

[vpavic]

The javadoc on HttpHeaders#setContentLanguage appears to be referring to a non-existing vararg variant of HttpHeaders#set:

spring-framework/spring-web/src/main/java/org/springframework/http/HttpHeaders.java

Lines 874 to 883 in e0654a5

	/**
	* Set the {@link Locale} of the content language,
	* as specified by the {@literal Content-Language} header.
	* <p>Use {@code set(CONTENT_LANGUAGE, ...)} if you need
	* to set multiple content languages.</p>
	* @since 5.0
	*/
	public void setContentLanguage(@Nullable Locale locale) {
	setOrRemove(CONTENT_LANGUAGE, (locale != null ? locale.toLanguageTag() : null));
	}