Update .gitlab suggestions

.gitlab-ci.yml

@@ -6,9 +6,9 @@ variables:
  DEBIAN_FRONTEND: "noninteractive"
  TOIL_OWNER_TAG: "shared"
  MAIN_PYTHON_PKG: "python3.9"
-# used to tell pytest which tests to be run by specifying markers
-# allows partitioning of tests to prevent duplicate running of tests
-# currently specifies special tests that are not ran by quick_test_offline
+# Used to tell pytest which tests to be run by specifying markers,
+# Allows partitioning of tests to prevent duplicate running of tests in different jobs.
+# Currently specifies special tests that are not run by quick_test_offline.
  MARKER: "tes or integrative or encryption or kubernetes or mesos or server_mode or fetchable_appliance or appliance or slow or docker or cwl or singularity or rsync3"
 before_script:
  # Log where we are running, in case some Kubernetes hosts are busted. IPs are assigned per host.