diff --git a/php/README.md b/php/README.md
index 967250a744..e307768dc1 100644
--- a/php/README.md
+++ b/php/README.md
@@ -17,7 +17,7 @@ generation functionality.
 To use PHP runtime library requires:
 
 - C extension: PHP 5.5, 5.6, or 7.
-- PHP package: PHP 5.5, 5.6 or 7.
+- [PHP package](http://php.net/downloads.php): PHP 5.5, 5.6 or 7.
 
 ## Installation