diff --git a/doc/mediasdk-man.md b/doc/mediasdk-man.md
index f1326f1c95..28a93684f1 100755
--- a/doc/mediasdk-man.md
+++ b/doc/mediasdk-man.md
@@ -5228,7 +5228,7 @@ typedef struct {
 
 **Description**
 
-The `mfxExtMasteringDisplayColourVolume` configures the HDR SEI message. If application attaches this structure to the [mfxEncodeCtrl](#mfxEncodeCtrl) at [runtime](#MFXVideoENCODE_EncodeFrameAsync), the encoder inserts the HDR SEI message for current frame and ignores `InsertPayloadToggle`. If application attaches this structure to the [mfxVideoParam](#mfxVideoParam) during [initialization](#MFXVideoENCODE_Init) or [reset](#MFXVideoENCODE_Reset), the encoder inserts HDR SEI message based on `InsertPayloadToggle`. Fields semantic defined in ITU-T* H.265 Annex D.
+The `mfxExtMasteringDisplayColourVolume` structure handle the HDR SEI message. If application attaches this structure to the [mfxEncodeCtrl](#mfxEncodeCtrl) at [runtime](#MFXVideoENCODE_EncodeFrameAsync), the encoder inserts the HDR SEI message for current frame and ignores `InsertPayloadToggle`. If application attaches this structure to the [mfxVideoParam](#mfxVideoParam) during [initialization](#MFXVideoENCODE_Init) or [reset](#MFXVideoENCODE_Reset), the encoder inserts HDR SEI message based on `InsertPayloadToggle`. If the application attaches this structure to the mfxFrameSurface1 structure at runtime which will seed to the MFXVideoDECODE_DecodeFrameAsync() as surface_work parameter, the decoder will parse the HDR SEI message if the bitstream include HDR SEI message per frame. The parsed HDR SEI will be attached to the ExtendBuffer of surface_out parameter of MFXVideoDECODE_DecodeFrameAsync(). This function is support for HEVC only now. Fields semantic defined in ITU-T* H.265 Annex D.
 
 **Members**
 
@@ -5260,7 +5260,7 @@ typedef struct {
 
 **Description**
 
-The `mfxExtContentLightLevelInfo` structure configures the HDR SEI message. If application attaches this structure to the [mfxEncodeCtrl](#mfxEncodeCtrl) structure at [runtime](#MFXVideoENCODE_EncodeFrameAsync), the encoder inserts the HDR SEI message for current frame and ignores `InsertPayloadToggle`. If application attaches this structure to the [mfxVideoParam](#mfxVideoParam) structure during [initialization](#MFXVideoENCODE_Init) or [reset](#MFXVideoENCODE_Reset), the encoder inserts HDR SEI message based on `InsertPayloadToggle`. Fields semantic defined in ITU-T* H.265 Annex D.
+The `mfxExtContentLightLevelInfo` structure handle the HDR SEI message. If application attaches this structure to the [mfxEncodeCtrl](#mfxEncodeCtrl) structure at [runtime](#MFXVideoENCODE_EncodeFrameAsync), the encoder inserts the HDR SEI message for current frame and ignores `InsertPayloadToggle`. If application attaches this structure to the [mfxVideoParam](#mfxVideoParam) structure during [initialization](#MFXVideoENCODE_Init) or [reset](#MFXVideoENCODE_Reset), the encoder inserts HDR SEI message based on `InsertPayloadToggle`. If the application attaches this structure to the mfxFrameSurface1 structure at runtime which will seed to the MFXVideoDECODE_DecodeFrameAsync() as surface_work parameter, the decoder will parse the HDR SEI message if the bitstream include HDR SEI message per frame. The parsed HDR SEI will be attached to the ExtendBuffer of surface_out parameter of MFXVideoDECODE_DecodeFrameAsync(). This function is support for HEVC only now. Fields semantic defined in ITU-T* H.265 Annex D.
 
 **Members**