home.md

@@ -1483,13 +1483,16 @@ You can load R with one of the modules:
 * statistical/RStudio/1.2.5033/gcc-8.3.1
 
 Unfornately, "R" is not very efficient when running on a HPC cluster. Basically every R instance is running on only 1 core.
-To make you R program to run parallel and more efficient, we have installed for now the following libraries:
+To make your R program to run parallel and more efficient, we have installed for now the following libraries:
 
 * Rmpi
 * snow
 * snowfall
 * parallel
 
+Loading one of these libraires does **not** make your program to run parallel.
+For that, you have to adapt your R program.
+
 ### FSLeyes
 [See:Programs that can run with "vglrun"](https://git.lumc.nl/shark/shark-centos-slurm-user-guide/-/wikis/home#programs-that-can-run-with-vglrun)