diff --git a/aio/content/guide/using-libraries.md b/aio/content/guide/using-libraries.md
index 1e8b71bc5d..30910a1322 100644
--- a/aio/content/guide/using-libraries.md
+++ b/aio/content/guide/using-libraries.md
@@ -11,7 +11,7 @@ To integrate reusable library code into an application, you need to install the
 The `ng add` command uses a package manager such as [npm](https://www.npmjs.com/) or [yarn](https://yarnpkg.com/) to install the library package, and invokes schematics that are included in the package to other scaffolding within the project code, such as adding import statements, fonts, and themes.
 
 A published library typically provides a README or other documentation on how to add that lib to your application.
-For an example, see the [Angular Material](https://material.angular.io/) documents.
+For an example, see the [Angular Material](https://material.angular.io/) documentation.
 
 ### Library typings