DOC-474: Fix another typo

Author: keharper

app/code/Magento/DownloadableGraphQl/etc/schema.graphqls

@@ -50,7 +50,7 @@ type DownloadableProductLinks @doc(description: "Defines characteristics of a do
     sample_url: String @doc(description: "The full URL to the downloadable sample.")
     is_shareable: Boolean @deprecated(reason: "This information should not be exposed on frontend.")
     number_of_downloads: Int @deprecated(reason: "This information should not be exposed on frontend.")
-    link_type: DownloadableFileTypeEnum @deprecated(reason: "`sample_url` serves to get the downloadable sample)
+    link_type: DownloadableFileTypeEnum @deprecated(reason: "`sample_url` serves to get the downloadable sample")
     sample_type: DownloadableFileTypeEnum @deprecated(reason: "`sample_url` serves to get the downloadable sample")
     sample_file: String @deprecated(reason: "`sample_url` serves to get the downloadable sample")
     uid: ID! @doc(description: "The unique ID for a `DownloadableProductLinks` object.") @resolver(class: "Magento\\DownloadableGraphQl\\Resolver\\Product\\DownloadableLinksValueUid")