diff --git a/Assets/SEE/Controls/Actions/MarkAction.cs b/Assets/SEE/Controls/Actions/MarkAction.cs
index 7381cd8175..34b03de952 100644
--- a/Assets/SEE/Controls/Actions/MarkAction.cs
+++ b/Assets/SEE/Controls/Actions/MarkAction.cs
@@ -31,7 +31,7 @@ public override bool Update()
                 // The position at which the parent was hit will be the center point of the new node marker
                 Vector3 position = parent.transform.position;
                 Vector3 scale = parent.transform.lossyScale;
-                addedSphere = GameNodeMarker.addSphere(parent, position: position, worldSpaceScale: scale);
+                addedSphere = GameNodeMarker.AddSphere(parent, position: position, worldSpaceScale: scale);
                 if (addedSphere != null)
                 {
                     memento = new Memento(parent, position: position, scale: scale);
@@ -117,7 +117,7 @@ public override void Undo()
         public override void Redo()
         {
             base.Redo();
-            addedSphere = GameNodeMarker.addSphere(memento.Parent, position: memento.Position, worldSpaceScale: memento.Scale);
+            addedSphere = GameNodeMarker.AddSphere(memento.Parent, position: memento.Position, worldSpaceScale: memento.Scale);
             if (addedSphere != null)
             {
                 new MarkNetAction(parentID: memento.Parent.name,memento.Position, memento.Scale).Execute();
diff --git a/Assets/SEE/Game/GameNodeMarker.cs b/Assets/SEE/Game/GameNodeMarker.cs
index dca931a9be..7a68d62996 100644
--- a/Assets/SEE/Game/GameNodeMarker.cs
+++ b/Assets/SEE/Game/GameNodeMarker.cs
@@ -23,7 +23,7 @@ public static class GameNodeMarker
         /// <param name="worldSpaceScale">the scale in world space of the new marker</param>
         /// <returns>new marker game object or null if none could be created or a marker already exists</returns>
         /// <exception cref="ArgumentNullException">If <paramref name="parent"/> is <c>null</c>.</exception>
-        public static GameObject addSphere(GameObject parent, Vector3 position, Vector3 worldSpaceScale)
+        public static GameObject AddSphere(GameObject parent, Vector3 position, Vector3 worldSpaceScale)
         {
             GameObject sphere;
             
@@ -31,7 +31,7 @@ public static GameObject addSphere(GameObject parent, Vector3 position, Vector3
             {
                 throw new ArgumentNullException(nameof(parent));
             }
-            else if (deleteExistingSphere(parent))
+            else if (DeleteExistingSphere(parent))
             {
                 sphere = null;
             }
@@ -53,7 +53,7 @@ public static GameObject addSphere(GameObject parent, Vector3 position, Vector3
         /// </summary>
         /// <param name="parent">the game object to be checked for existing sphere marker</param>
         /// <returns>true if marker exists</returns>
-        private static bool deleteExistingSphere(GameObject parent)
+        private static bool DeleteExistingSphere(GameObject parent)
         {
             foreach (Transform child in parent.transform)
             {
diff --git a/Assets/SEE/Net/Actions/MarkNetAction.cs b/Assets/SEE/Net/Actions/MarkNetAction.cs
index 47041d4488..a137442872 100644
--- a/Assets/SEE/Net/Actions/MarkNetAction.cs
+++ b/Assets/SEE/Net/Actions/MarkNetAction.cs
@@ -65,7 +65,7 @@ protected override void ExecuteOnClient()
                 {
                     throw new System.Exception($"There is no node with the ID {ParentID}.");
                 }
-                GameNodeMarker.addSphere(parent, Position, Scale);
+                GameNodeMarker.AddSphere(parent, Position, Scale);
             }
         }
     }