Update docs/literate/src/files/first_steps/create_first_setup.jl

Co-authored-by: Joshua Lampert <[email protected]>

docs/literate/src/files/first_steps/create_first_setup.jl

@@ -145,7 +145,7 @@ save_solution = SaveSolutionCallback(interval = 5,
                                      save_initial_solution = true,
                                      save_final_solution = true)
 
-# Another useful callback is [`SaveRestartCallback`](@ref). It saves information for restarting
+# Another useful callback is the [`SaveRestartCallback`](@ref). It saves information for restarting
 # in regular intervals. We are interested in saving a restart file for the final solution as
 # well. To perform a restart, you need to configure the restart setup in a special way, which is
 # described in the section [Restart simulation](@ref restart).