Merge branch 'readme-fix' into 'master'

Fix README wording about GitLab FOSS

See merge request gitlab-org/gitlab!44855

README.md

@@ -4,7 +4,7 @@
 
 The canonical source of GitLab where all development takes place is [hosted on GitLab.com](https://gitlab.com/gitlab-org/gitlab).
 
-If you wish to clone a copy of GitLab without proprietary code, you can use the read-only mirror of GitLab located at https://gitlab.com/gitlab-org/gitlab-foss/. Please do not submit any issues and/or merge requests to this project.
+If you wish to clone a copy of GitLab without proprietary code, you can use the read-only mirror of GitLab located at https://gitlab.com/gitlab-org/gitlab-foss/. However, please do not submit any issues and/or merge requests to that project.
 
 ## Free trial