diff --git a/README.md b/README.md
index e6bba1cd..5405bbd7 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Install this library using composer:
 $ composer require zendframework/zend-diactoros
 ```
 
-`zend-diactoros` has the following dependencies (which are managed by Composer):
+`zend-diactoros` has the following dependency (which is managed by Composer):
 
 - [`psr/http-message`](https://github.com/php-fig/http-message), which defines interfaces for HTTP messages, including requests and responses. `zend-diactoros` provides implementations of each of these.