         org-export-latex-format-toc-function 'org-export-latex-no-toc
         org-ref-get-pdf-filename-function
         (lambda (key) (car (bibtex-completion-find-pdf key)))
-        ;; For pdf export engines.
+        ;; For pdf export engines
         org-latex-pdf-process (list "latexmk -pdflatex='%latex -shell-escape -interaction nonstopmode' -pdf -bibtex -f -output-directory=%o %f")
-        ;; I use orb to link org-ref, helm-bibtex and org-noter together (see below for more on org-noter and orb).
+        ;; TODO: Consider orb to link org-ref, helm-bibtex and org-noter together
         ;;org-ref-notes-function 'orb-edit-notes)
         org-ref-default-bibliography "~/Zotero/zotero/zotero.bib"
         org-ref-default-citation-link "citep")

  :bind ("C-c o w" . #'eww)
  :commands (eww))

;; reminds user to keep good posture
(use-package posture
  :config

(use-package helm-system-packages
  :straight t
  :defer t
  :after (helm)
  :bind ("C-c h i" . #'helm-system-packages))


