Update docs/literate/src/files/behind_the_scenes_simulation_setup.jl

Co-authored-by: Daniel Doehring <[email protected]>

docs/literate/src/files/behind_the_scenes_simulation_setup.jl

@@ -64,7 +64,7 @@ semi = SemidiscretizationHyperbolic(mesh, equations, initial_condition_convergen
 
 # - `init_elements(leaf_cell_ids, mesh, equations, dg.basis, RealT, uEltype)`
 
-#   The fundamental elements for approximating a solution are the leaf
+#   The fundamental elements for approximating the solution are the leaf
 #   cells. The solution is treated as a polynomial of the degree specified in the `DGSEM`
 #   solver in each spatial direction on each leaf cell. This polynomial approximation is evaluated 
 #   at the Gauss-Lobatto nodes, which were previously illustrated. The `init_elements` function extracts