update pajengr installation procedure in S4U tutorial

diff --git a/docs/source/Tutorial_Algorithms.rst b/docs/source/Tutorial_Algorithms.rst
index 1b3f38b..5c6ab78 100644 (file)
--- a/docs/source/Tutorial_Algorithms.rst
+++ b/docs/source/Tutorial_Algorithms.rst
@@ -360,7 +360,11 @@ and the `pajengr <https://github.com/schnorr/pajengr#installation/>`_ package.
 
 .. code-block:: shell
 
-   sudo apt install r-base r-cran-devtools cmake flex bison
+   # install R and necessary packages
+   sudo apt install r-base r-cran-devtools r-cran-tidyverse
+   # install pajengr dependencies
+   sudo apt install git cmake flex bison
+   # install the pajengr R package
    Rscript -e "library(devtools); install_github('schnorr/pajengr');"
 
 An initial version of the source code is provided on framagit. This