diff --git a/examples/tree_1d_dgsem/elixir_advection_basic.jl b/examples/tree_1d_dgsem/elixir_advection_basic.jl
index 480e388c85f..cba522f6366 100644
--- a/examples/tree_1d_dgsem/elixir_advection_basic.jl
+++ b/examples/tree_1d_dgsem/elixir_advection_basic.jl
@@ -2,9 +2,6 @@
 using OrdinaryDiffEq
 using Trixi
 
-
-
-
 ###############################################################################
 # semidiscretization of the linear advection equation
 
@@ -47,7 +44,8 @@ save_solution = SaveSolutionCallback(interval = 100,
 stepsize_callback = StepsizeCallback(cfl = 1.6)
 
 # Create a CallbackSet to collect all callbacks such that they can be passed to the ODE solver
-callbacks = CallbackSet(summary_callback, analysis_callback, save_solution, stepsize_callback)
+callbacks = CallbackSet(summary_callback, analysis_callback, save_solution,
+                        stepsize_callback)
 
 ###############################################################################
 # run the simulation