diff --git a/Runtime/HumanoidControl/Libraries/Core/Sensors/ArmSensor.cs b/Runtime/HumanoidControl/Libraries/Core/Sensors/ArmSensor.cs
index 377a13b..896c689 100644
--- a/Runtime/HumanoidControl/Libraries/Core/Sensors/ArmSensor.cs
+++ b/Runtime/HumanoidControl/Libraries/Core/Sensors/ArmSensor.cs
@@ -1,4 +1,5 @@
-using System;
+
+using System;
 
 namespace Passer.Humanoid.Tracking {
     public enum FingerBones {
diff --git a/Runtime/HumanoidControl/Scripts/Extensions/ArmSensor.cs b/Runtime/HumanoidControl/Scripts/Extensions/ArmSensor.cs
index 6b88c35..8032697 100644
--- a/Runtime/HumanoidControl/Scripts/Extensions/ArmSensor.cs
+++ b/Runtime/HumanoidControl/Scripts/Extensions/ArmSensor.cs
@@ -8,7 +8,7 @@ namespace Passer.Humanoid {
     using Passer.Humanoid.Tracking;
 
     /// <summary>
-    /// An sensors used on the arm of a Humanoid
+    /// An sensor used on the arm of a humanoid
     /// </summary>
     public abstract class ArmSensor : HumanoidSensor {
         /// <summary>
diff --git a/Runtime/HumanoidControl/Scripts/Extensions/HeadSensor.cs b/Runtime/HumanoidControl/Scripts/Extensions/HeadSensor.cs
index 9e20a98..78cf272 100644
--- a/Runtime/HumanoidControl/Scripts/Extensions/HeadSensor.cs
+++ b/Runtime/HumanoidControl/Scripts/Extensions/HeadSensor.cs
@@ -6,16 +6,14 @@ using UnityEditor;
 namespace Passer.Humanoid {
     using Passer.Tracking;
 
+    /// <summary>
+    /// A sensor used on the head of a humanoid
+    /// </summary>
     public abstract class HeadSensor : HumanoidSensor {
         protected HeadTarget headTarget => target as HeadTarget;
-        //    get { return target as HeadTarget; }
-        //}
 
         protected HumanoidControl humanoid => headTarget.humanoid;
 
-        //protected new Tracking.HeadSensor sensor;
-
-
         #region Manage
 
         public virtual void CheckSensor(HeadTarget headTarget) {
diff --git a/Runtime/HumanoidControl/Scripts/Extensions/HumanoidSensor.cs b/Runtime/HumanoidControl/Scripts/Extensions/HumanoidSensor.cs
index 8584921..2a9a949 100644
--- a/Runtime/HumanoidControl/Scripts/Extensions/HumanoidSensor.cs
+++ b/Runtime/HumanoidControl/Scripts/Extensions/HumanoidSensor.cs
@@ -3,6 +3,9 @@
 namespace Passer.Humanoid {
     using Passer.Tracking;
 
+    /// <summary>
+    /// A sensor used to control a humanoid
+    /// </summary>
     [System.Serializable]
     public abstract class HumanoidSensor : Sensor {
 
diff --git a/Runtime/HumanoidControl/Scripts/Extensions/Sensor.cs b/Runtime/HumanoidControl/Scripts/Extensions/Sensor.cs
index ee127a6..87c0a35 100644
--- a/Runtime/HumanoidControl/Scripts/Extensions/Sensor.cs
+++ b/Runtime/HumanoidControl/Scripts/Extensions/Sensor.cs
@@ -3,6 +3,9 @@
 namespace Passer {
     using Tracking;
 
+    /// <summary>
+    /// A sensor used to track an object
+    /// </summary>
     [System.Serializable]
     public abstract class Sensor {
         public bool enabled;