Update README.md

koriym · web-flow · commit df1bb0be4cf0 · 2017-02-25T12:46:04.000+09:00
diff --git a/README.md b/README.md
@@ -25,3 +25,4 @@ header(ResponseHeader::CACHE_CONTROL . ': max-age=3600');
     $ composer require koriym/http-constants
 
 
+See also [PSR Http Message Util](https://github.com/php-fig/http-message-util).

Original file line number	Diff line number	Diff line change
`@@ -25,3 +25,4 @@ header(ResponseHeader::CACHE_CONTROL . ': max-age=3600');`
`25`	`25`	`$ composer require koriym/http-constants`
`26`	`26`
`27`	`27`
	`28`	`+See also [PSR Http Message Util](https://github.com/php-fig/http-message-util).`