diff --git a/.azure-pipelines/templates/jobs/extended-tests-jobs.yml b/.azure-pipelines/templates/jobs/extended-tests-jobs.yml
index 37447ea82..366cfc08b 100644
--- a/.azure-pipelines/templates/jobs/extended-tests-jobs.yml
+++ b/.azure-pipelines/templates/jobs/extended-tests-jobs.yml
@@ -69,6 +69,8 @@ jobs:
         docker-dev:
           TOXENV: docker_dev
         farmtest-apache2:
+          # We run one of these test farm tests on macOS to help ensure the
+          # tests continue to work on the platform.
           IMAGE_NAME: macOS-10.14
           PYTHON_VERSION: 3.8
           TOXENV: test-farm-apache2