diff --git a/multimedia/image_framework/include/image/pixelmap_native.h b/multimedia/image_framework/include/image/pixelmap_native.h
index ba89797c7..b897e2a12 100644
--- a/multimedia/image_framework/include/image/pixelmap_native.h
+++ b/multimedia/image_framework/include/image/pixelmap_native.h
@@ -571,7 +571,7 @@ Image_ErrorCode OH_PixelmapImageInfo_GetPixelFormat(OH_Pixelmap_ImageInfo *info,
  * @brief Get alphaType number for imageinfo struct.
  *
  * @param info The imageinfo pointer will be operated.
- * @param alphaType The number of image alphaType.
+ * @param alphaType The number of imageinfo alphaType.
  * @return Returns {@link Image_ErrorCode}
  * @since 12
  */