diff --git a/Iot/Entities/ActorType.cs b/Iot/Entities/ActorType.cs
index 3fb3dfe..2b173c0 100644
--- a/Iot/Entities/ActorType.cs
+++ b/Iot/Entities/ActorType.cs
@@ -7,6 +7,5 @@ public class ActorType
     public int Id { get; set; }
     public string Name { get; set; }
     
-    // Navigation Property
     public List<Actor> Actors { get; set; } = new List<Actor>();
 }
\ No newline at end of file
diff --git a/Iot/Entities/Measurement.cs b/Iot/Entities/Measurement.cs
index 61af6cd..a81d962 100644
--- a/Iot/Entities/Measurement.cs
+++ b/Iot/Entities/Measurement.cs
@@ -1,4 +1,4 @@
-namespace Iot.Entities;
+namespace Iot.Entities;
 
 using System;
 
@@ -10,7 +10,6 @@ public class Measurement
     public int MeasurementTypeId { get; set; }
     public double Value { get; set; }
     
-    // Navigation Properties
     public Actor Actor { get; set; }
     public MeasurementType MeasurementType { get; set; }
 }
\ No newline at end of file
diff --git a/Iot/Entities/MeasurementType.cs b/Iot/Entities/MeasurementType.cs
index a8c1b93..cad8e64 100644
--- a/Iot/Entities/MeasurementType.cs
+++ b/Iot/Entities/MeasurementType.cs
@@ -1,4 +1,4 @@
-namespace Iot.Entities;
+namespace Iot.Entities;
 
 using System.Collections.Generic;
 
@@ -8,6 +8,5 @@ public class MeasurementType
     public string Name { get; set; }
     public string Comment { get; set; }
     
-    // Navigation Property
     public List<Measurement> Measurements { get; set; } = new List<Measurement>();
 }
\ No newline at end of file
diff --git a/Iot/Program.cs b/Iot/Program.cs
index 05bd201..c2e1332 100644
--- a/Iot/Program.cs
+++ b/Iot/Program.cs
@@ -1,7 +1,7 @@
-/*--------------------------------------------------------------
-*				HTBLA-Leonding / Class: 1xHIF
+/*--------------------------------------------------------------
+*				HTBLA-Leonding / Class: 4CHIF
 *--------------------------------------------------------------
-*              Musterlösung-HA
+*              Musterlösung-Hinterdorfer Jonas
 *--------------------------------------------------------------
 * Description: Iot
 *--------------------------------------------------------------
@@ -98,22 +98,18 @@ var measurements = measurementsCsv.Select(m =>
     };
 }).ToList();
 
-
-// Populate Actor.Measurements using ToLookup (O(n) instead of O(n*m))
 var measurementsByActor = measurements.ToLookup(m => m.ActorId);
 foreach (var actor in actors)
 {
     actor.Measurements = measurementsByActor[actor.Id].ToList();
 }
 
-// Populate MeasurementType.Measurements using ToLookup (O(n) instead of O(n*m))
 var measurementsByType = measurements.ToLookup(m => m.MeasurementTypeId);
 foreach (var measurementType in measurementTypes)
 {
     measurementType.Measurements = measurementsByType[measurementType.Id].ToList();
 }
 
-// Populate ActorType.Actors using ToLookup (O(n) instead of O(n*m))
 var actorsByType = actors.ToLookup(a => a.ActorTypeId);
 foreach (var actorType in actorTypes.Values)
 {
diff --git a/flake.nix b/flake.nix
index a11d11d..c2f591e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,8 +16,6 @@
         devShells.default = pkgs.mkShell {
           packages = [
             pkgs.dotnet-sdk_9
-            # alternativ/zusätzlich:
-            # pkgs.dotnetCorePackages.sdk_9_0
           ];
         };
       });