fix typo

pxr/imaging/hdx/taskController.h

@@ -136,8 +136,8 @@ class HdxTaskController final
 
     /// -------------------------------------------------------
     /// Camera and Framing API
-    
-    /// Set the size of the render buffers baking the AOVs.
+
+    /// Set the size of the render buffers backing the AOVs.
     /// GUI applications should set this to the size of the window.
     ///
     HDX_API
@@ -305,16 +305,16 @@ class HdxTaskController final
     // Helper function to get the built-in Camera light type SimpleLight for
     // Storm, and DistantLight otherwise
     TfToken _GetCameraLightType();
-    
-    // Helper functions to set the parameters of a light, get a particular light 
-    // in the scene, replace and remove Sprims from the scene 
+
+    // Helper functions to set the parameters of a light, get a particular light
+    // in the scene, replace and remove Sprims from the scene
     VtValue _GetDomeLightTexture(GlfSimpleLight const& light);
     void _SetParameters(SdfPath const& pathName, GlfSimpleLight const& light);
-    void _SetMaterialNetwork(SdfPath const& pathName, 
+    void _SetMaterialNetwork(SdfPath const& pathName,
                              GlfSimpleLight const& light);
     GlfSimpleLight _GetLightAtId(size_t const& pathIdx);
     void _RemoveLightSprim(size_t const& pathIdx);
-    void _ReplaceLightSprim(size_t const& pathIdx, GlfSimpleLight const& light, 
+    void _ReplaceLightSprim(size_t const& pathIdx, GlfSimpleLight const& light,
                         SdfPath const& pathName);
 
     // A private scene delegate member variable backs the tasks and the free cam
@@ -357,7 +357,7 @@ class HdxTaskController final
         // HdSceneDelegate interface
         VtValue Get(SdfPath const& id, TfToken const& key) override;
         GfMatrix4d GetTransform(SdfPath const& id) override;
-        VtValue GetLightParamValue(SdfPath const& id, 
+        VtValue GetLightParamValue(SdfPath const& id,
                                    TfToken const& paramName) override;
         VtValue GetMaterialResource(SdfPath const& id) override;
         bool IsEnabled(TfToken const& option) const override;
@@ -391,7 +391,7 @@ class HdxTaskController final
 
     // Current active camera
     SdfPath _activeCameraId;
-    
+
     // Built-in lights
     SdfPathVector _lightIds;