Update paper.md

paper.md

@@ -42,7 +42,7 @@ By updating each other's information throughout the simulation, the grids still
 # Statement of need
 
 `DisCoTec` is a C++ framework for the sparse grid combination technique.
-Targeted at HPC systems, it is designed to be used in parallel simulations,
+Targeted at HPC systems, it is used for parallel simulations,
 drawing on distributed-memory parallelism via MPI and shared-memory parallelism via OpenMP.
 It is designed to be used in combination with existing simulation codes,
 which can be used with `DisCoTec` in a black-box fashion.
@@ -53,6 +53,11 @@ The transfer cost is relatively low due to the multi-scale approach in the combi
 -- much less than with a traditional domain-decomposition.   
 This feature is enabled by file transfer through tools like UFTP.
 
+Basically, any code that can operated on nested structured grids can employ the model order reduction 
+provided by the underlying sparse grid approach without considering any multiscale operations; this is provided by DisCoTec.
+Although already 2D applications can see significant benefits, the higher-dimensional (4- to 6-dimensional) 
+grids employed in high-fidelity plasma simulations benefit even more.
+
 
 # Acknowledgements