minor #7319 Update deployment.rst (jepster, javiereguiluz)

This PR was submitted for the 2.8 branch but it was merged into the 2.7 branch instead (closes #7319).

Discussion
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Update deployment.rst

Commits
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324641b Minor reword
01291bc Update deployment.rst

Author: xabbuh

deployment.rst

@@ -52,9 +52,10 @@ Using Source Control
 ~~~~~~~~~~~~~~~~~~~~
 
 If you're using source control (e.g. Git or SVN), you can simplify by having
-your live installation also be a copy of your repository. When you're ready
-to upgrade it is as simple as fetching the latest updates from your source
-control system.
+your live installation also be a copy of your repository. When you're ready to
+upgrade it is as simple as fetching the latest updates from your source control
+system. When using Git, a common approach is to create a tag for each release
+and check out the appropriate tag on deployment (see `Git Tagging`_).
 
 This makes updating your files *easier*, but you still need to worry about
 manually taking other steps (see `Common Post-Deployment Tasks`_).
@@ -206,6 +207,7 @@ Don't forget that deploying your application also involves updating any dependen
 (typically via Composer), migrating your database, clearing your cache and
 other potential things like pushing assets to a CDN (see `Common Post-Deployment Tasks`_).
 
+.. _`Git Tagging`: https://git-scm.com/book/en/v2/Git-Basics-Tagging
 .. _`Capifony`: https://github.com/everzet/capifony
 .. _`Capistrano`: http://capistranorb.com/
 .. _`sf2debpkg`: https://github.com/liip/sf2debpkg