diff --git a/src/DynamoCore/Configuration/PreferenceSettings.cs b/src/DynamoCore/Configuration/PreferenceSettings.cs
index 3cf7d75fa52..d9e836d36d2 100644
--- a/src/DynamoCore/Configuration/PreferenceSettings.cs
+++ b/src/DynamoCore/Configuration/PreferenceSettings.cs
@@ -1147,7 +1147,7 @@ internal static string GetDefaultPythonEngine()
         internal void InitializeNamespacesToExcludeFromLibrary()
         {
             // When the experiment toggle is disabled by feature flag, include the TSpline namespace from the library OOTB.
-            if (!DynamoModel.FeatureFlags?.CheckFeatureFlag("IsTSplineNodesExperimentToggleVisible", false) ?? false)
+            if (!DynamoModel.FeatureFlags?.CheckFeatureFlag("IsTSplineNodesExperimentToggleVisible", false) ?? true)
             {
                 NamespacesToExcludeFromLibrary.Remove(
                     "ProtoGeometry.dll:Autodesk.DesignScript.Geometry.TSpline"
diff --git a/src/DynamoCoreWpf/ViewModels/Menu/PreferencesViewModel.cs b/src/DynamoCoreWpf/ViewModels/Menu/PreferencesViewModel.cs
index 709e60b2748..7dcf38a58f5 100644
--- a/src/DynamoCoreWpf/ViewModels/Menu/PreferencesViewModel.cs
+++ b/src/DynamoCoreWpf/ViewModels/Menu/PreferencesViewModel.cs
@@ -1122,7 +1122,7 @@ public bool NodeAutocompleteMachineLearningIsBeta
         }
 
         /// <summary>
-        /// Controls if the the Node autocomplete Machine Learning option is beta from feature flag
+        /// Controls if the TSpline nodes experiment toggle is visible from feature flag
         /// </summary>
         public bool IsTSplineNodesExperimentToggleVisible
         {