Add uploads and fix privacy policy wording

doc/user/admin_area/settings/usage_statistics.md

@@ -73,6 +73,7 @@ The total number of the following is sent back to GitLab Inc.:
 - Protected branches
 - Releases
 - Remote mirrors
+- Uploads
 - Web hooks
 Also, we track if you've installed Mattermost with GitLab.
@@ -94,7 +95,7 @@ GitLab Inc. does **not** collect any sensitive information, like project names
 or the content of the comments. GitLab Inc. does not disclose or otherwise make
 available any of the data collected on a customer specific basis.
-Read more in about the [Privacy policy](https://about.gitlab.com/privacy).
+Read more about this in the [Privacy policy](https://about.gitlab.com/privacy).
 [ee-557]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/557
 [ee-735]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/735