minor update in module load command

README.md

@@ -29,8 +29,7 @@ To use the Dardel compute nodes you have to use the resource manager as describe
 By default you are provided with the compilers that come with the OS and are not the most recent versions of the compilers. To use a recent version of the GNU compiler suite use
 
 ```
-ml gcc
-ml cpe/21.11
+ml PDC/21.11
 ml PrgEnv-gnu
 ```