Fix docs build comments (#253)

Author: gjoseph92

.readthedocs.yml

@@ -9,15 +9,14 @@ build:
     python: "3.8"
   jobs:
     post_install:
+      # https://github.com/pdm-project/pdm/discussions/1365#discussioncomment-3581356
       - env
       - ls -al $READTHEDOCS_VIRTUALENV_PATH
       - python --version
       - python -c "import sys; print(sys.executable)"
       - ls -l $(python -c "import sys; print(sys.executable)")
       # Install PDM in its own isolated environment, so docs deps don't trample its deps
       - curl -sSL https://raw.githubusercontent.com/pdm-project/pdm/main/install-pdm.py | python -
-      # TODO how to get `pdm` on the $PATH?
+      # TODO export `pdm` on the $PATH?
       - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH $HOME/.local/bin/pdm info
-      # https://github.com/pdm-project/pdm/discussions/1365#discussioncomment-3581356
-      # NOTE: pandoc fails in isolation mode
       - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH $HOME/.local/bin/pdm sync -v -G viz -dG docs