Update README.md

README.md

@@ -20,7 +20,8 @@ To build the library:
 1. Run `mkdir build && cd build`
 2. Run `cmake ..` in the build directory, specify compilers if needed  
 3. Run `make` in the build directory to build the shared library
-4. set the number of teams with the `TEAMS` environment variable (default: 2)  
+4. Set the number of teams with the `TEAMS` environment variable (default: 2) 
+5. Run the application with `mpirun -n <np*TEAMS> ./application <args>` with `np` processes per team 
 
 To use some example provided miniapps:  
 1. run `make` in the applications folder