diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2cce08a0..7fdaa591 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -43,12 +43,8 @@ jobs:
       run: |
         pytest --durations=10 --cov=myst_nb --cov-report=xml --cov-report=term-missing
         coverage xml
-    # - name: Upload to coveralls
-    #   run: |
-    #     pip install coveralls
-    #     coveralls
-    #   env:
-    #     COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_KEY }}
+      # for some reason the tests/conftest.py::check_nbs fixture breaks pytest-cov's cov-report outputting
+      # this is why we run `coverage xml` afterwards (required by codecov)
     - name: Upload to Codecov
       if: matrix.python-version == 3.7 && github.repository == 'ExecutableBookProject/MyST-NB'
       uses: codecov/codecov-action@v1
diff --git a/myst_nb/parser.py b/myst_nb/parser.py
index f1ae2ef1..b57c9e89 100644
--- a/myst_nb/parser.py
+++ b/myst_nb/parser.py
@@ -27,7 +27,7 @@
 
 
 class NotebookParser(MystParser):
-    """Docutils parser for IPynb + CommonMark + Math + Tables + RST Extensions """
+    """Docutils parser for IPynb + CommonMark + Extensions."""
 
     supported = ("myst-nb",)
     translate_section_name = None