diff --git a/examples/paper_example04.jl b/examples/paper_example04.jl
index 5b70a01..0fa4097 100644
--- a/examples/paper_example04.jl
+++ b/examples/paper_example04.jl
@@ -119,7 +119,6 @@ for s in simulation
                           geography = geographies[Symbol(s)], obstacles = obstacles[i] == "on",
                           mesh = true, mesh_transparency = 0.2,
                           node_sizes = sizes, node_shades = shades, 
-                          node_color = :seismic,
                           edge_min_thickness = 1, edge_max_thickness = 4)
     title!(plots[i], "Geography $(s)")
 end
diff --git a/src/main/helper.jl b/src/main/helper.jl
index 45c9254..8b7f6fa 100644
--- a/src/main/helper.jl
+++ b/src/main/helper.jl
@@ -206,7 +206,7 @@ end
 """
     get_model(auxdata)
 
-Construct the appropriate JuMP model based on the parameters and auxiliary data.
+Construct the appropriate JuMP model based on the auxiliary data.
 
 # Arguments
 - `auxdata`: Auxiliary data required for constructing the model (created by `create_auxdata()`).