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README.md

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-GraphQL supports several directives: `@include`, `@skip` et `@deprecated`. This module opens a new dimension by giving you the possibility to define your custom directives.
+GraphQL supports [several directives](http://facebook.github.io/graphql/October2016/#sec-Type-System.Directives): `@include`, `@skip` and `@deprecated`. This module opens a new dimension by giving you the possibility to define your custom directives.
 
 Custom directives have a lot of use-cases: