diff --git a/module2/ressources/emacs_orgmode.org b/module2/ressources/emacs_orgmode.org
index ca4ae516643f7156a39314c05ef6aabaef31ef84..75676e49c9e18ed43db1bba6b61a8f5b59c192d7 100644
--- a/module2/ressources/emacs_orgmode.org
+++ b/module2/ressources/emacs_orgmode.org
@@ -21,6 +21,8 @@ The next section provides information on how to install emacs.
   - [[#linux-debian-ubuntu][Linux (Debian, Ubuntu)]]
   - [[#macos][macOS]]
   - [[#windows][Windows]]
+- [[#python-and-r][Python and R]]
+- [[#latex-optional][LaTeX (optional)]]
 - [[#a-simple-reproducible-research-emacs-configuration][A simple "reproducible research" emacs configuration]]
   - [[#step-0-backup-and-remove-your-previous-configuration][Step 0: Backup and remove your previous configuration]]
   - [[#step-1-download-our-configuration][Step 1: Download our configuration]]