diff --git a/module2/ressources/rstudio.org b/module2/ressources/rstudio.org
index 3715bb3bf214627ffa843fb90079881eacd450a4..352e6959e74fc457b75d4a2da63a2966ee3955e3 100644
--- a/module2/ressources/rstudio.org
+++ b/module2/ressources/rstudio.org
@@ -5,42 +5,14 @@
 #+STARTUP: overview indent
 #+OPTIONS: num:nil toc:t
 
-This document provides information on how to install Rstudio.
-
-If you have never used git with Rstudio, *we strongly advise that you
-follow [[https://www.fun-mooc.fr/courses/course-v1:inria+41016+session01bis/jump_to_id/d132a854b0464ad29085cedaded23136][our tutorial on using git from Rstudio]]* (/"Rstudio et Gitlab"/ in French). Before
-proceeding, make sure you also have followed the *[[https://www.fun-mooc.fr/courses/course-v1:inria+41016+session01bis/jump_to_id/7508aece244548349424dfd61ee3ba85]["git/GitLab
-configuration" tutorial]]* (in French). 
-
-Alternatively, you may want to watch [[https://www.youtube.com/embed/uHYcDQDbMY8][this video]] (in English). If you
-do not like videos, you should have a look at the [[https://swcarpentry.github.io/git-novice/14-supplemental-rstudio/index.html][step-by-step
-explanations from Software Carpentry]]. It comes with many screenshots
-and is quite progressive.
-
-Last, you should know that the Rstudio team has created a lot of very
-good material and tutorials. You should definitively look at the [[https://www.rstudio.com/resources/cheatsheets/][Cheat
-sheets webpage]]. In particular you may want to have look at the
-following ones:
-- [[https://github.com/rstudio/cheatsheets/raw/master/rstudio-ide.pdf][The Rstudio IDE]],
-- [[https://github.com/rstudio/cheatsheets/raw/master/rmarkdown-2.0.pdf][R Markdown]] (here is also a [[https://rmarkdown.rstudio.com/][nice step-by-step presentation of Rmarkdown]]),
-- The [[https://www.rstudio.com/wp-content/uploads/2015/03/rmarkdown-reference.pdf][R Markdown Reference guide]],
-- [[https://github.com/rstudio/cheatsheets/raw/master/data-visualization-2.1.pdf][Data visualization with ggplot2]],
-- [[https://github.com/rstudio/cheatsheets/raw/master/data-transformation.pdf][Data transformation with dplyr]]
-In case it helps, here are some (sometimes outdated) French versions
-of these documents: 
-- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/rstudio-IDE-cheatsheet.pdf][L'IDE Rstudio]]
-- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/ggplot2-french-cheatsheet.pdf][Visualisation de données avec ggplot2]]
-- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/data-wrangling-french.pdf][Transformation de données avec dplyr]]
-- [[https://www.fun-mooc.fr/c4x/UPSUD/42001S02/asset/RMarkdown.pdf][Un court document sur R Markdown]]
-
-* Installing Rstudio
+* Installing RStudio
 ** Linux (debian, ubuntu)
-We provide here only instructions for debian-based distributions. Feel
+We provide here only instructions for Debian-based distributions. Feel
 free to contribute to this document to provide up-to-date information
-for other distributions (e.g., redhat, fedora).
+for other distributions (e.g., RedHat, Fedora).
 
 Today, the stable versions of the most common distributions provide
-recent enough versions of emacs and org-mode:
+recent enough versions of R:
 - Debian (stretch) ships with [[https://packages.debian.org/stretch/r-base][R 3.3.3-1]], [[https://packages.debian.org/stretch/r-cran-knitr][knitr 1.15.1]], and  [[https://packages.debian.org/stretch/r-cran-ggplot2][ggplot 2.2.1]]
 - Ubuntu (bionic 18.04) ships with [[https://packages.ubuntu.com/bionic/r-base][R 3.4.4]], and [[https://packages.ubuntu.com/bionic/r-cran-knitr][knitr 1.17]], and [[https://packages.ubuntu.com/bionic/r-cran-ggplot2][ggplot 2.2.1]]
 - Ubuntu (artful 17.04) ships with [[https://packages.ubuntu.com/artful/r-base][R 3.4.2]], and [[https://packages.ubuntu.com/artful/r-cran-knitr][knitr 1.15]], and [[https://packages.ubuntu.com/artful/r-cran-ggplot2][ggplot 2.2.1]]
@@ -48,7 +20,7 @@ If your distribution is older than this, well, it may be a good time
 for upgrading...
 
 *** Installing R
-Beforehand, you need to install the R language and convenient packages
+First, you need to install the R language and convenient packages
 by running (as root):
 #+BEGIN_SRC shell
 apt-get update ; sudo apt-get install r-base r-cran-knitr r-cran-ggplot2 
@@ -57,7 +29,7 @@ apt-get update ; sudo apt-get install r-base r-cran-knitr r-cran-ggplot2
 Alternatively, if the installation of =r-cran-gplot2= or =r-cran-knitr=
 fails, you may want to install them locally (through the R packaging
 system) and manually by running the following commands in R (or
-Rstudio):
+RStudio):
 #+BEGIN_SRC R
 install.packages("knitr")
 install.packages("ggplot2")
@@ -69,11 +41,10 @@ to run (as root):
 apt-get update ; apt-get install texlive-base
 #+end_src
 
-*** Installing rstudio
-Rstudio is unfortunately not packaged within debian so the easiest is
-to download the corresponding debian package on the [[https://www.rstudio.com/products/rstudio/download/#download][Rstudio webpage]]
-and then to install it manually (depending on when you do this, you
-can obviously change the version number). Here is how to install it:
+*** Installing RStudio
+RStudio is unfortunately not packaged within Debian so the easiest is
+to download the corresponding Debian package on the [[https://www.rstudio.com/products/rstudio/download/#download][RStudio webpage]]
+and then to install it manually (you may have to adjust the version number in the following example). Here is how to install it:
 
 #+BEGIN_SRC shell
 cd /tmp/
@@ -87,14 +58,41 @@ sudo apt-get update ; sudo apt-get -f install # to fix possibly missing dependen
   should be tested and improved.
 #+END_QUOTE
 - Download and install R from the [[https://cran.r-project.org/][CRAN webpage]] by choosing the right operating system.
-- Download and install Rstudio from the [[https://www.rstudio.com/products/rstudio/download/#download][Rstudio webpage]] by choosing the right operating system.
+- Download and install RStudio from the [[https://www.rstudio.com/products/rstudio/download/#download][RStudio webpage]] by choosing the right operating system.
 - Download and install MiKTeX from the [[https://miktex.org/download][MiKTeX webpage]] by choosing the right operating system. You will be prompted to install some specific packages when exporting to pdf.
-- Open Rstudio and type the following commands in the console to install =knitr= and =ggplot2=:
+- Open RStudio and type the following commands in the console to install =knitr= and =ggplot2=:
 #+BEGIN_SRC R
 install.packages("knitr", dep=TRUE)
 install.packages("ggplot2", dep=TRUE)
 #+END_SRC
-* Using Git from Rstudio
+* RStudio documentation
+The RStudio team has created a lot of very good material and
+tutorials. You should definitively look at the [[https://www.rstudio.com/resources/cheatsheets/][Cheat sheets
+webpage]]. In particular you may want to have look at the following
+ones:
+- [[https://github.com/rstudio/cheatsheets/raw/master/rstudio-ide.pdf][The RStudio IDE]],
+- [[https://github.com/rstudio/cheatsheets/raw/master/rmarkdown-2.0.pdf][R Markdown]] (here is also a [[https://rmarkdown.rstudio.com/][nice step-by-step presentation of Rmarkdown]]),
+- The [[https://www.rstudio.com/wp-content/uploads/2015/03/rmarkdown-reference.pdf][R Markdown Reference guide]],
+- [[https://github.com/rstudio/cheatsheets/raw/master/data-visualization-2.1.pdf][Data visualization with ggplot2]],
+- [[https://github.com/rstudio/cheatsheets/raw/master/data-transformation.pdf][Data transformation with dplyr]]
+In case it helps, here are some (sometimes outdated) French versions
+of these documents: 
+- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/rstudio-IDE-cheatsheet.pdf][L'IDE RStudio]]
+- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/ggplot2-french-cheatsheet.pdf][Visualisation de données avec ggplot2]]
+- [[https://github.com/rstudio/cheatsheets/raw/master/translations/french/data-wrangling-french.pdf][Transformation de données avec dplyr]]
+- [[https://www.fun-mooc.fr/c4x/UPSUD/42001S02/asset/RMarkdown.pdf][Un court document sur R Markdown]]
+
+* Using Git from RStudio
+If you have never used git with RStudio, *we strongly advise that you
+follow [[https://www.fun-mooc.fr/courses/course-v1:inria+41016+session01bis/jump_to_id/d132a854b0464ad29085cedaded23136][our tutorial on using git from RStudio]]* (/"RStudio et Gitlab"/
+in French). Before proceeding, make sure you also have followed the
+*[[https://www.fun-mooc.fr/courses/course-v1:inria+41016+session01bis/jump_to_id/7508aece244548349424dfd61ee3ba85]["git/GitLab configuration" tutorial]]* (in French).
+
+Alternatively, you may want to watch [[https://www.youtube.com/embed/uHYcDQDbMY8][this video]] (in English). If you
+do not like videos, you should have a look at the [[https://swcarpentry.github.io/git-novice/14-supplemental-rstudio/index.html][step-by-step
+explanations from Software Carpentry]]. It comes with many screenshots
+and is quite progressive.
+
 ** Cloning a repository
 Open RStudio and do the following steps:
 - Create a new version controled project: =File / New Project / Version Control=
@@ -103,7 +101,7 @@ Open RStudio and do the following steps:
 
   [[file:rstudio_images/git.png]]
   #+END_CENTER
-- Get the url from your gitlab repository:
+- Get the URL from your GitLab repository:
   #+BEGIN_CENTER
   [[file:rstudio_images/adresse_depot.png]]
   #+END_CENTER