Add GitLab abbreviation to docs/usage.rst
@@ -42,8 +42,9 @@ To create a project from the cookiecutter-pypackage.git repo template::
$ cookiecutter gh:audreyr/cookiecutter-pypackage
-Cookiecutter knows abbreviations for Github (``gh``) and Bitbucket (``bb``)
-projects, but you can also give it the full URL to any repository::
+Cookiecutter knows abbreviations for Github (``gh``), Bitbucket (``bb``), and
+GitLab (``gl``) projects, but you can also give it the full URL to any
+repository::
$ cookiecutter https://github.com/audreyr/cookiecutter-pypackage.git
$ cookiecutter git+ssh://git@github.com/audreyr/cookiecutter-pypackage.git
