diff --git a/slides/params.md b/slides/params.md
index 16462a6fd1e739a4059e0798605ef7db8cef0e64..56f9a314a40439d453269b56c0c94d964ed0f53a 100644
--- a/slides/params.md
+++ b/slides/params.md
@@ -180,7 +180,7 @@ An overview of all available parameters can be found in the [doxygen documentati
 
 <img src=img/parameterlist.png>
 
-# Excercise
+# Exercise
 ## Exercise
 
 * Go to [Runtime parameter exercise](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course/tree/master/exercises/exercise-runtimeparams#exercise-runtime-parameters-dumux-course)