diff --git a/slides/grid.md b/slides/grid.md
index 156990b2fcf5e5cc996a373d1372bd1d9b3063d9..4477b84597554ec2a9153d35366907ec43644282 100644
--- a/slides/grid.md
+++ b/slides/grid.md
@@ -88,7 +88,7 @@ using Yasp = Dune::YaspGrid<dim, Dune::EquidistantOffsetCoordinates<double, dim>
 Yasp yasp(lowerLeft, upperRight, cells);
 ```
 
-# Excercise
+# Exercise
 ## Exercise
 
-* Go to [Grid excercise](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course/tree/master/exercises/exercise-grids#exercise-grids-dumux-course)
+* Go to [Grid exercise](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course/tree/master/exercises/exercise-grids#exercise-grids-dumux-course)