diff --git a/.github/workflows/test_fast.yml b/.github/workflows/test_fast.yml
index 3234b501a50..1bbf67b699d 100644
--- a/.github/workflows/test_fast.yml
+++ b/.github/workflows/test_fast.yml
@@ -116,4 +116,4 @@ jobs:
 
       - name: Linkcheck
         if: startsWith(matrix.python-version, '3.10')
-        run: pytest -m linkcheck tests/unit
+        run: pytest -m linkcheck --dist=load tests/unit
diff --git a/tests/unit/test_links.py b/tests/unit/test_links.py
index 3e07a3af495..9f8a228ad68 100644
--- a/tests/unit/test_links.py
+++ b/tests/unit/test_links.py
@@ -54,6 +54,11 @@ def get_links():
 @pytest.mark.linkcheck
 @pytest.mark.parametrize('link', get_links())
 def test_embedded_url(link):
+    """Check links in the source code are not broken.
+
+    TIP: use `--dist=load` when running pytest to enable parametrized tests
+    to run in parallel
+    """
     try:
         urllib.request.urlopen(link).getcode()
     except urllib.error.HTTPError: