diff --git a/exercises/README.md b/exercises/README.md
index f5e0ec59a22b1c738486b543dfa931fe96a683dd..443edf9445d2c1c88f2dd0f454e8639600cb3a34 100644
--- a/exercises/README.md
+++ b/exercises/README.md
@@ -47,10 +47,10 @@ In this exercise, you learn how to adjust the properties in order to use a custo
 
 ### [:open_file_folder: Model](./exercise-model/README.md)
 
-This exercise covers the implementation of new models DuMu<sup>x</sup>. You learn
+This exercise covers the implementation of new models in DuMu<sup>x</sup>. You learn
 
 * how to design a nonlinear diffusion equation model from scratch (almost)
-* how to implement a local residual using the a minimal model design
+* how to implement a local residual using a minimal model design
 * use DuMu<sup>x</sup> to denoise an image (!)