Merge branch 'Mik3b-master-patch-44968' into 'master'

Update doc/ci/runners/README.md

See merge request gitlab-org/gitlab!45204

doc/ci/runners/README.md

@@ -394,6 +394,9 @@ You must set up a runner to be able to run all the different types of jobs
 that it may encounter on the projects it's shared over. This would be
 problematic for large amounts of projects, if it weren't for tags. 
 
+GitLab CI tags are not the same as Git tags. GitLab CI tags are associated with runners.
+Git tags are associated with commits.
+
 By tagging a runner for the types of jobs it can handle, you can make sure
 shared runners will [only run the jobs they are equipped to run](../yaml/README.md#tags).