Polish Documentation

Signed-off-by: Josh Cummings <3627351+jzheaux@users.noreply.github.com>

docs/modules/ROOT/pages/whats-new.adoc

@@ -1,4 +1,7 @@
 [[new]]
 = What's New in Spring Security 7.1
 
+== Web
+
 * https://github.com/spring-projects/spring-security/pull/18634[gh-18634] - Added javadoc:org.springframework.security.web.util.matcher.InetAddressMatcher[]
+* https://github.com/spring-projects/spring-security/issues/18755[gh-18755] - Include `charset` in `WWW-Authenticate` header

web/src/main/java/org/springframework/security/web/authentication/www/BasicAuthenticationEntryPoint.java

@@ -80,6 +80,7 @@ public class BasicAuthenticationEntryPoint implements AuthenticationEntryPoint,
 	 * the charset attribute from the header. As per RFC 7617, only UTF-8 is permitted.
 	 * @param charset the charset to use ({@link StandardCharsets#UTF_8} is the only
 	 * accepted value), or {@code null} to remove the charset attribute
+	 * @since 7.1
 	 */
 	public void setCharset(@Nullable Charset charset) {
 		Assert.isTrue(charset == null || StandardCharsets.UTF_8.equals(charset),