diff --git a/HostSupport/include/ofxhClip.h b/HostSupport/include/ofxhClip.h
index 692de9434..250798996 100755
--- a/HostSupport/include/ofxhClip.h
+++ b/HostSupport/include/ofxhClip.h
@@ -107,17 +107,10 @@ namespace OFX {
         bool supportsTiles() const;
 
 #ifdef OFX_EXTENSIONS_NUKE
-        /// can a matrix be attached to images on this clip
-        // This is deprecated but maintained for compat with older plug-ins.
-        // canDistort should be preferred for newer plug-ins.
+        /// can a kFnOfxPropMatrix2D be attached to images on this clip
         bool canTransform() const;
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-        // can a distorsion be attached to images on this clip
-        bool canDistort() const;
-#endif
-
         /// get property set, const version
         const Property::Set &getProps() const;
 
diff --git a/HostSupport/include/ofxhImageEffect.h b/HostSupport/include/ofxhImageEffect.h
index dd6937e50..2bbd9240c 100755
--- a/HostSupport/include/ofxhImageEffect.h
+++ b/HostSupport/include/ofxhImageEffect.h
@@ -42,10 +42,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "ofxhMemory.h"
 #include "ofxhInteract.h"
 
-#ifdef OFX_EXTENSIONS_NATRON
-#include "ofxNatron.h"
-#endif
-
 #ifdef _MSC_VER
 //Use visual studio extension
 #define __PRETTY_FUNCTION__ __FUNCSIG__
@@ -272,8 +268,6 @@ namespace OFX {
 
 #ifdef OFX_EXTENSIONS_NUKE
         /// does this effect handle transform effects
-        // This is deprecated but maintained for compat with older plug-ins.
-        // canDistort should be preferred for newer plug-ins.
         bool canTransform() const;
       
         /// Indicates that a host or plugin can fetch more than a type of image from a clip
@@ -303,10 +297,6 @@ namespace OFX {
 #endif
 
 #ifdef OFX_EXTENSIONS_NATRON
-
-        /// does this effect handle distorsion effects
-        bool canDistort() const;
-
         /// is this effect deprecated
         bool isDeprecated() const;
 
@@ -760,8 +750,6 @@ namespace OFX {
                                           );
 
 #ifdef OFX_EXTENSIONS_NUKE
-        // This is deprecated but maintained for compat with older plug-ins.
-        // getDistorsionAction should be preferred for newer plug-ins.
         virtual OfxStatus getTransformAction(OfxTime time,
                                              const std::string& field,
                                              OfxPointD renderScale,
@@ -770,23 +758,10 @@ namespace OFX {
                                              double transform[9]);
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-        virtual OfxStatus getDistorsionAction(OfxTime time,
-                                              const std::string& field,
-                                              OfxPointD renderScale,
-                                              int view,
-                                              std::string& clip,
-                                              double transform[9],
-                                              OfxDistorsionFunctionV1* distorsionFunc,
-                                              void** distorsionFunctionData,
-                                              int* distorsionFunctionDataSize,
-                                              OfxDistorsionFreeDataFunctionV1* freeDataFunction);
-#endif
-
         /// Call the region of definition action the plugin at the given time
         /// and with the given render scales. The value is returned in rod.
         /// Note that if the plugin does not trap the action the default
-        /// RoD is calculated and returned.
+        /// RoD is calculated and returned. 
         virtual OfxStatus getRegionOfDefinitionAction(OfxTime  time,
                                                       OfxPointD   renderScale,
 #ifdef OFX_EXTENSIONS_NUKE
diff --git a/HostSupport/src/ofxhClip.cpp b/HostSupport/src/ofxhClip.cpp
index 3faf0a597..4c931cdf6 100755
--- a/HostSupport/src/ofxhClip.cpp
+++ b/HostSupport/src/ofxhClip.cpp
@@ -75,10 +75,7 @@ namespace OFX {
         { kOfxImageClipPropFieldExtraction, Property::eString, 1, false, kOfxImageFieldDoubled },
         { kOfxImageEffectPropSupportsTiles,   Property::eInt, 1, false, "1" },
 #ifdef OFX_EXTENSIONS_NUKE
-        { kFnOfxImageEffectCanTransform,   Property::eInt, 1, false, "0" }, // can a matrix be attached to images on this clip
-#endif
-#ifdef OFX_EXTENSIONS_NATRON
-        { kOfxImageEffectPropCanDistort,   Property::eInt, 1, false, "0" }, // can a distorsion be attached to images on this clip
+        { kFnOfxImageEffectCanTransform,   Property::eInt, 1, false, "0" }, // can a kFnOfxPropMatrix2D be attached to images on this clip
 #endif
         Property::propSpecEnd,
       };
@@ -195,27 +192,19 @@ namespace OFX {
       }
 
 #ifdef OFX_EXTENSIONS_NUKE
-      /// can a matrix be attached to images on this clip
+      /// can a kFnOfxPropMatrix2D be attached to images on this clip
       bool ClipBase::canTransform() const
       {
         return _properties.getIntProperty(kFnOfxImageEffectCanTransform) != 0;
       }
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-      /// can a distorsion be attached to images on this clip
-      bool ClipBase::canDistort() const
-      {
-        return _properties.getIntProperty(kOfxImageEffectPropCanDistort) != 0;
-      }
-#endif
-
       const Property::Set& ClipBase::getProps() const
       {
         return _properties;
       }
 
-      Property::Set& ClipBase::getProps()
+      Property::Set& ClipBase::getProps() 
       {
         return _properties;
       }
@@ -663,11 +652,7 @@ namespace OFX {
         { kOfxImagePropField, Property::eString, 1, true, "", },
         { kOfxImagePropUniqueIdentifier, Property::eString, 1, true, "" },
 #ifdef OFX_EXTENSIONS_NUKE
-        { kFnOfxPropMatrix2D, Property::eDouble, 9, true, "0" }, // If the clip descriptor has kFnOfxImageEffectCanTransform set to 1, this property contains a 3x3 matrix corresponding to a transform, going from the source image to the destination, defaults to the identity matrix. A matrix filled with zeroes is considered as the identity matrix (i.e. no transform).
-#endif
-#ifdef OFX_EXTENSIONS_NATRON
-        { kOfxPropDistorsionFunction, Property::ePointer, 1, true, NULL }, // If the clip descriptor has kOfxImageEffectPropCanDistort set to 1, this property contains a pointer to a distorsion function going from the source image to the destination that should be applied on any pixel. If the effect that called clipGetImage on the clip is also kOfxImageEffectPropCanDistort set to 1, it's distorsion function is already concatenated in the function pointed to by this property and does not need to be applied after this distorsion function.
-        { kOfxPropDistorsionFunctionData, Property::ePointer, 1, true, NULL }, // if kOfxPropDistorsionFunction is set, this a pointer to the data that must be passed to the distorsion function
+        { kFnOfxPropMatrix2D, Property::eDouble, 9, true, "0" }, // If the clip descriptor has kFnOfxImageEffectCanTransform set to 1, this property contains a 3x3 matrix corresponding to a transform in pixel coordinate space, going from the source image to the destination, defaults to the identity matrix. A matrix filled with zeroes is considered as the identity matrix (i.e. no transform)
 #endif
         Property::propSpecEnd
       };
diff --git a/HostSupport/src/ofxhImageEffect.cpp b/HostSupport/src/ofxhImageEffect.cpp
index d57452eef..0729ce7f6 100644
--- a/HostSupport/src/ofxhImageEffect.cpp
+++ b/HostSupport/src/ofxhImageEffect.cpp
@@ -145,7 +145,6 @@ namespace OFX {
         { kNatronOfxImageEffectPropInViewerContextShortcutHasAltModifier, Property::eInt, 0, true, "" },
         { kNatronOfxImageEffectPropInViewerContextShortcutHasMetaModifier, Property::eInt, 0, true, "" },
         { kNatronOfxPropNativeOverlays, Property::eString, 0, false, ""},
-        { kOfxImageEffectPropCanDistort,   Property::eInt, 1, false, "0" },
 #endif
         Property::propSpecEnd
       };
@@ -382,12 +381,6 @@ namespace OFX {
 #endif
 
 #ifdef OFX_EXTENSIONS_NATRON
-
-      bool Base::canDistort() const
-      {
-        return _properties.getIntProperty(kOfxImageEffectPropCanDistort) != 0;
-      }
-
       /// does this effect handle transform effects
       bool Base::isDeprecated() const
       {
@@ -1562,77 +1555,6 @@ namespace OFX {
       }
 #endif // OFX_EXTENSIONS_NUKE
 
-#ifdef OFX_EXTENSIONS_NATRON
-      OfxStatus Instance::getDistorsionAction(OfxTime time,
-                                              const std::string& field,
-                                              OfxPointD renderScale,
-                                              int view,
-                                              std::string& clip,
-                                              double transform[9],
-                                              OfxDistorsionFunctionV1* distorsionFunc,
-                                              void** distorsionFunctionData,
-                                              int* distorsionFunctionDataSize,
-                                              OfxDistorsionFreeDataFunctionV1* freeDataFunction)
-      {
-        if (time != time) {
-          // time is NaN
-          return kOfxStatFailed;
-        }
-        static const Property::PropSpec inStuff[] = {
-          { kOfxPropTime, Property::eDouble, 1, true, "0" },
-          { kOfxImageEffectPropFieldToRender, Property::eString, 1, true, "" },
-          { kOfxImageEffectPropRenderScale, Property::eDouble, 2, true, "0" },
-          { kFnOfxImageEffectPropView, Property::eInt, 1, true, "0" },
-          Property::propSpecEnd
-        };
-
-        static const Property::PropSpec outStuff[] = {
-          { kOfxPropName, Property::eString, 1, false, "" },
-          { kOfxPropMatrix3x3, Property::eDouble, 9, false, "0.0" },
-          { kOfxPropDistorsionFunction, Property::ePointer, 1, false, NULL },
-          { kOfxPropDistorsionFunctionData, Property::ePointer, 1, false, NULL },
-          { kOfxPropDistorsionFunctionDataSize, Property::eInt, 1, false, "0" },
-          { kOfxPropDistorsionFreeDataFunction, Property::ePointer, 1, false, NULL },
-          Property::propSpecEnd
-        };
-
-        Property::Set inArgs(inStuff);
-        Property::Set outArgs(outStuff);
-
-        inArgs.setStringProperty(kOfxImageEffectPropFieldToRender,field);
-        inArgs.setDoubleProperty(kOfxPropTime,time);
-        inArgs.setDoublePropertyN(kOfxImageEffectPropRenderScale, &renderScale.x, 2);
-        inArgs.setIntProperty(kFnOfxImageEffectPropView, view);
-        for(std::map<std::string, ClipInstance*>::iterator it=_clips.begin();
-            it!=_clips.end();
-            ++it) {
-          it->second->setView(view);
-        }
-
-#       ifdef OFX_DEBUG_ACTIONS
-        OfxPlugin *ofxp = _plugin->getPluginHandle()->getOfxPlugin();
-        const char* id = ofxp->pluginIdentifier;
-        std::cout << "OFX: "<<id<<"("<<(void*)ofxp<<")->"<<kOfxImageEffectActionGetDistorsion<<"("<<time<<","<<field<<",("<<renderScale.x<<","<<renderScale.y<<"),"<<view<<")"<<std::endl;
-#       endif
-
-        OfxStatus st = mainEntry(kOfxImageEffectActionGetDistorsion,this->getHandle(), &inArgs, &outArgs);
-#       ifdef OFX_DEBUG_ACTIONS
-        std::cout << "OFX: "<<id<<"("<<(void*)ofxp<<")->"<<kOfxImageEffectActionGetDistorsion<<"("<<time<<","<<field<<",("<<renderScale.x<<","<<renderScale.y<<"),"<<view<<")->"<<StatStr(st)<<std::endl;
-#       endif
-
-        if (st == kOfxStatOK) {
-          clip = outArgs.getStringProperty(kOfxPropName);
-          outArgs.getDoublePropertyN(kOfxPropMatrix3x3, transform, 9);
-          *distorsionFunc = (OfxDistorsionFunctionV1)outArgs.getPointerProperty(kOfxPropDistorsionFunction);
-          *distorsionFunctionData = outArgs.getPointerProperty(kOfxPropDistorsionFunctionData);
-          *distorsionFunctionDataSize = outArgs.getIntProperty(kOfxPropDistorsionFunctionDataSize);
-          *freeDataFunction = (OfxDistorsionFreeDataFunctionV1)outArgs.getPointerProperty(kOfxPropDistorsionFreeDataFunction);
-        }
-        
-        return st;
-      }
-#endif // OFX_EXTENSIONS_NATRON
-
       /// calculate the default rod for this effect instance
       OfxRectD Instance::calcDefaultRegionOfDefinition(OfxTime  time,
                                                        OfxPointD   /*renderScale*/
@@ -4133,7 +4055,6 @@ namespace OFX {
         { kNatronOfxPropDescriptionIsMarkdown, Property::eInt, 1, true, "0" },
         { kNatronOfxImageEffectPropDefaultCursors, Property::eString, 0, true, "" },
         { kNatronOfxPropNativeOverlays, Property::eString, 0, true, ""},
-        { kOfxImageEffectPropCanDistort,      Property::eInt, 1, true, "0" },
 #    endif
         Property::propSpecEnd
       };    
diff --git a/Support/Library/ofxsImageEffect.cpp b/Support/Library/ofxsImageEffect.cpp
index e86964b9e..8ed470313 100644
--- a/Support/Library/ofxsImageEffect.cpp
+++ b/Support/Library/ofxsImageEffect.cpp
@@ -747,14 +747,6 @@ namespace OFX {
     _clipProps.propSetInt(kOfxImageClipPropIsMask, int(v));
   }
 
-#ifdef OFX_EXTENSIONS_NATRON
-  /** @brief say whether this clip may contain images with a transform attached */
-  void ClipDescriptor::setCanDistort(bool v)
-  {
-    _clipProps.propSetInt(kOfxImageEffectPropCanDistort, int(v), false);
-  }
-#endif
-
 #ifdef OFX_EXTENSIONS_NUKE
   /** @brief say whether this clip may contain images with a transform attached */
   void ClipDescriptor::setCanTransform(bool v)
@@ -1321,16 +1313,6 @@ namespace OFX {
   }
 
 #ifdef OFX_EXTENSIONS_NATRON
-
-  /** @brief indicate that a plugin or host can handle transform effects */
-  void ImageEffectDescriptor::setCanDistort(bool v)
-  {
-    // the header says this property is on the effect instance, but on Nuke it only exists on the effect descriptor
-    if (gHostDescription.canDistort) {
-      _effectProps.propSetInt(kOfxImageEffectPropCanDistort, int(v), false);
-    }
-  }
-
   /** @brief indicate if the host may add a channel selector */
   void ImageEffectDescriptor::setChannelSelector(PixelComponentEnum v)
   {
@@ -1453,12 +1435,6 @@ namespace OFX {
 
     _renderScale.x = _renderScale.y = 1.;
     _imageProps.propGetDoubleN(kOfxImageEffectPropRenderScale, &_renderScale.x, 2, false);
-#ifdef OFX_EXTENSIONS_NATRON
-    _distorsionFunction = (OfxDistorsionFunctionV1)_imageProps.propGetPointer(kOfxPropDistorsionFunction, false);
-    _distorsionFunctionData = _imageProps.propGetPointer(kOfxPropDistorsionFunctionData, false);
-
-#endif
-
 #ifdef OFX_EXTENSIONS_NUKE
     std::fill(_transform, _transform + 9, 0.);
     if (_imageProps.propGetDimension(kFnOfxPropMatrix2D, false) == 0) {
@@ -1474,7 +1450,6 @@ namespace OFX {
                               _transform[0] == _transform[2] && _transform[0] == _transform[8]);
     }
 #endif
-
   }
 
   ImageBase::~ImageBase()
@@ -2215,19 +2190,7 @@ namespace OFX {
   {
     return _effectProps.propGetInt(kOfxImageEffectPropSupportsTiles) != 0;
   }
-#ifdef OFX_EXTENSIONS_NATRON
-  void
-  ImageEffect::setCanDistort(bool v)
-  {
-    _effectProps.propSetInt(kOfxImageEffectPropCanDistort, int(v), false);
-  }
 
-  bool
-  ImageEffect::getCanDistort() const
-  {
-    return _effectProps.propGetInt(kOfxImageEffectPropCanDistort, false) != 0;
-  }
-#endif
 #ifdef OFX_EXTENSIONS_NUKE
   void
   ImageEffect::setCanTransform(bool v)
@@ -2552,21 +2515,6 @@ namespace OFX {
   }
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-
-  /** @brief recover a transform matrix from an effect */
-  bool ImageEffect::getDistorsion(const DistorsionArguments &/*args*/, Clip * &/*transformClip*/, double /*transformMatrix*/[9],
-                                  OfxDistorsionFunctionV1* /*distorsionFunction*/,
-                                  void** /*distorsionFunctionData*/,
-                                  int* /*distorsionFunctionDataSizeHintInBytes*/,
-                                  OfxDistorsionFreeDataFunctionV1* /*freeDataFunction*/)
-  {
-    // by default, do the default
-    return false;
-  }
-
-#endif
-
 #ifdef OFX_EXTENSIONS_NUKE
   void ImageEffect::getClipComponents(const ClipComponentsArguments& /*args*/, ClipComponentsSetter& /*clipComponents*/)
   {
diff --git a/Support/include/ofxsImageEffect.h b/Support/include/ofxsImageEffect.h
index 8da0a22b2..5f0b677e7 100644
--- a/Support/include/ofxsImageEffect.h
+++ b/Support/include/ofxsImageEffect.h
@@ -555,9 +555,6 @@ namespace OFX {
 
     /** @brief set the clip hint */
     void setHint(const std::string &hint);
-
-    /** @brief say whether this clip may contain images with a transform attached */
-    void setCanDistort(bool v);
 #endif
 
     /** @brief set how fielded images are extracted from the clip defaults to eFieldExtractDoubled */
@@ -583,9 +580,7 @@ namespace OFX {
     void setIsMask(bool v);
 
 #ifdef OFX_EXTENSIONS_NUKE
-    /** @brief say whether this clip may contain images with a transform attached 
-     * This is deprecated, a plug-in should prefer setCanDistort
-     */
+    /** @brief say whether this clip may contain images with a transform attached */
     void setCanTransform(bool v);
 #endif
   };
@@ -808,15 +803,11 @@ namespace OFX {
 #endif // #if defined(WIN32) || defined(WIN64)
 #endif
 #ifdef OFX_EXTENSIONS_NATRON
+  /** @brief indicate if the host may add a channel selector */
+  void setChannelSelector(PixelComponentEnum v);
 
-    /** @brief indicate that a plugin or host can handle distorsion effects */
-    void setCanDistort(bool v);
-
-    /** @brief indicate if the host may add a channel selector */
-    void setChannelSelector(PixelComponentEnum v);
-
-    /** @brief indicate that the plugin is deprecated */
-    void setIsDeprecated(bool v);
+  /** @brief indicate that the plugin is deprecated */
+  void setIsDeprecated(bool v);
 #endif
   };
 
@@ -846,10 +837,6 @@ namespace OFX {
     double _transform[9];                    /**< @brief a 2D transform to apply to the image */
     bool _transformIsIdentity;
 #endif
-#ifdef OFX_EXTENSIONS_NATRON
-    OfxDistorsionFunctionV1 _distorsionFunction;
-    const void* _distorsionFunctionData;
-#endif
 
   public :
     /** @brief ctor */
@@ -902,23 +889,11 @@ namespace OFX {
     const std::string& getUniqueIdentifier(void) const { return _uniqueID;}
 
 #ifdef OFX_EXTENSIONS_NUKE
-
-    /** @brief the 2D transform attached to this image.
-     */
+    /** @brief the 2D transform attached to this image. */
     void getTransform(double t[9]) const { for (int i = 0; i < 9; ++i) { t[i] = _transform[i]; } }
 
     /** @brief is the transform identity? */
     bool getTransformIsIdentity() const { return _transformIsIdentity; }
-
-#endif
-
-#ifdef OFX_EXTENSIONS_NATRON
-
-    /** @brief the 2D distorsion attached to this image. */
-    OfxDistorsionFunctionV1 getDistorsionFunction(const void** distorsionFunctionData) const {
-      *distorsionFunctionData = _distorsionFunctionData;
-      return _distorsionFunction;
-    }
 #endif
   };
 
@@ -1357,16 +1332,6 @@ namespace OFX {
   };
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-  /** @brief POD struct to pass arguments into @ref OFX::ImageEffect::getTransform */
-  struct DistorsionArguments {
-    double    time;
-    OfxPointD renderScale;
-    FieldEnum fieldToRender;
-    int       renderView;
-  };
-#endif
-
   /** @brief Class used to set regions of interest on a clip in @ref OFX::ImageEffect::getRegionsOfInterest
 
   This is a base class, the actual class is private and you don't need to see the glue involved.
@@ -1666,22 +1631,12 @@ namespace OFX {
     bool getSupportsTiles(void) const;
     
 #ifdef OFX_EXTENSIONS_NUKE
-    /** @brief indicate that a plugin or host can handle transform effects 
-     * This is deprecated and setCanDistort should be used instead
-     */
+    /** @brief indicate that a plugin or host can handle transform effects */
     void setCanTransform(bool v);
     
     bool getCanTransform() const;
 #endif
 
-#ifdef OFX_EXTENSIONS_NATRON
-    /** @brief indicate that a plugin or host can handle distorsion effects
-     */
-    void setCanDistort(bool v);
-
-    bool getCanDistort() const;
-#endif
-
 #ifdef OFX_SUPPORTS_OPENGLRENDER
     /** @brief Does the plugin support OpenGL accelerated rendering (but is also capable of CPU rendering) ? Can only be called from changedParam or changedClip (OFX 1.4). */
     void setSupportsOpenGLRender(bool v);
@@ -1828,9 +1783,7 @@ namespace OFX {
     /** @brief get the frame/views needed for input clips*/
     virtual void getFrameViewsNeeded(const FrameViewsNeededArguments& args, FrameViewsNeededSetter& frameViews);
 
-    /** @brief recover a transform matrix from an effect
-     This is deprecated, a plug-in should use getDistorsion instead
-     */
+    /** @brief recover a transform matrix from an effect */
     virtual bool getTransform(const TransformArguments &args, Clip * &transformClip, double transformMatrix[9]);
       
     /** @brief Returns the textual representation of a view*/
@@ -1838,25 +1791,6 @@ namespace OFX {
     
     /** @brief Returns the number of views*/
     int getViewCount() const;
-
-    /** @brief Implement if you effect can apply a 2D distorsion.
-     In the generic form, the distorsion function pointer must be set and a pointer to the data that should be passed back
-     to the function. A free function must also be provided to free the data once the host does not need them any more.
-     This let a chance to the host to concatenate distorsion effects together filter only once.
-     @param distorsionFunctionDataSizeHintInBytes This should indicate the size in bytes of the data held by distorsionFunctionData.
-     Since distorsionFunctionData may contain the result of heavy computations (such as a STMap), the host will attempt to cache these data.
-     However the void* does not indicate much to the host as to "how heavy" these datas are in its cache, so this parameter should hint
-     the host of the size of these datas in bytes.
-
-     If the effect distorsion can be represented as a 3x3 matrix, then leave the function pointer to NULL and fill the transform matrix.
-     This will enable the host to better concatenate the distorsion in such cases where 3x3 matrices can be multiplied together instead
-     of multiplying the transformation matrices for each pixel.
-     */
-    virtual bool getDistorsion(const DistorsionArguments &args, Clip * &transformClip, double transformMatrix[9],
-                               OfxDistorsionFunctionV1* distorsionFunction,
-                               void** distorsionFunctionData,
-                               int* distorsionFunctionDataSizeHintInBytes,
-                               OfxDistorsionFreeDataFunctionV1* freeDataFunction);
 #endif
 
     /** @brief called when a custom param needs to be interpolated */
diff --git a/include/ofxNatron.h b/include/ofxNatron.h
index 019e892c3..c9789c6b8 100644
--- a/include/ofxNatron.h
+++ b/include/ofxNatron.h
@@ -931,8 +931,6 @@ several parallel renders on different OpenGL contexts, but it violates the OpenF
 
 // This implemented the standard change originally proposed at http://openeffects.org/standard_changes/243
 
-
-
 /** @brief Property to indicate that a plugin, clip or host can handle distorsions
 
  - Type - int X 1
@@ -945,7 +943,7 @@ several parallel renders on different OpenGL contexts, but it violates the OpenF
 
  This is a property on the descriptor.
  */
-#define kOfxImageEffectPropCanDistort "OfxImageEffectPropCanDistort"
+#define kOfxImageEffectCanDistort "OfxImageEffectCanDistort"
 
 /** @brief Action called in place of a render to recover a distorsion from an effect.
 
@@ -982,13 +980,6 @@ several parallel renders on different OpenGL contexts, but it violates the OpenF
 
  Note that the render action can still be called if a host so chooses, this action does not
  completely replace the render action of such an effect.
- 
- When the plug-in needs to sample a source clip, if the plug-in has flagged the source clip kOfxImageEffectCanDistort to 1
- then an image fetched from this clip *may* receive a pointer to such function.
- In this case, this is a pointer of a function of the host that will call in turn the distorsion function of all concatenated source effects
- and return the final undistorted position. 
- Note that even if this effect supports returning a distorsion,
- the concatenation will not include the distorsion provided by this effect, it will have to be applied on top of the concatenation function.
 
  This action has the following properties on its arguments....
  inargs -
@@ -1039,6 +1030,10 @@ the datas pointed to by kOfxPropDistorsionFunctionData
  - Default - 0
  
  The plug-in returns a pointer of such as function in the kOfxImageEffectActionGetDistorsion action.
+ When the host needs to sample a source clip, if the plug-in has flagged the source clip kOfxImageEffectCanDistort to 1
+ then an image fetched from this clip *may* receive a pointer to such function.
+ In this case, this is a pointer of a function of the host that will call in turn the distorsion function of all concatenated source effects
+ and return the final undistorted position.
  */
 #define kOfxPropDistorsionFunction "OfxPropDistorsionFunction"