Update paper.md

paper.md

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 # Summary
 
-The kinetics of multiphysics are naturally involved in the application of energy materials, such as lithium-ion batteries (LIBs) for example. Multiphysics modeling plays a crucial role in understanding the interactions between fields in these applications, such as the chemo-mechanical interaction in LIBs [@bai2021chemo,@bai2020chemo]. The field of "multiphysics" or the "chemo-mechanics", aims to model the multiphysical problem in material science, for example, the diffusion of species, the phase transformation, and the large deformation under different fields. The major challenge of these models requires efficient numerical tools, easy-to-use parallelization, as well as a simple way to define the physical model. For this purpose, `AsFem`, a simple to use finite element method (FEM) simulation package for phase-field modeling and multiphysics coupling has been developed.
+The kinetics of multiphysics are naturally involved in the application of energy materials, such as lithium-ion batteries (LIBs) for example. Multiphysics modeling plays a crucial role in understanding the interactions between fields in these applications, such as the chemo-mechanical interaction in LIBs [@bai2021chemo;@bai2020chemo]. The field of "multiphysics" or the "chemo-mechanics", aims to model the multiphysical problem in material science, for example, the diffusion of species, the phase transformation, and the large deformation under different fields. The major challenge of these models requires efficient numerical tools, easy-to-use parallelization, as well as a simple way to define the physical model. For this purpose, `AsFem`, a simple to use finite element method (FEM) simulation package for phase-field modeling and multiphysics coupling has been developed.
 
 
 # Statement of need