diff --git a/src/Animation.jl b/src/Animation.jl
index 923f8df..daa4f86 100644
--- a/src/Animation.jl
+++ b/src/Animation.jl
@@ -213,7 +213,7 @@ function animate_with_sim_consts(
                 show_interaction_circle,
                 show_skin_circle,
                 show_frame_diff,
-                # Intern
+                # Internal
                 io,
                 ax,
                 bundle,
diff --git a/src/run.jl b/src/run.jl
index 6d932fe..57bba4f 100644
--- a/src/run.jl
+++ b/src/run.jl
@@ -48,12 +48,11 @@ function run_sim(
             snapshot_at,
             seed,
             n_bundle_snapshots,
-            # Calculated
+            # Internal
             integration_steps,
             n_steps_before_snapshot,
             n_snapshots,
             T,
-            # Read
             T0,
             start_datetime,
         )
diff --git a/src/setup.jl b/src/setup.jl
index b265d8e..818b11f 100644
--- a/src/setup.jl
+++ b/src/setup.jl
@@ -90,7 +90,7 @@ function gen_sim_consts(
         v₀,
         δt,
         packing_ratio,
-        # Calculated
+        # Internal
         μ,
         D₀,
         particle_radius,