Updated readme crop section

README.md

@@ -14,7 +14,7 @@ SupMover - Shift timings and Screen Area of PGS/Sup subtitle
 * crop
   * Crop the windows area of all subpic by the inputed parameters.
   * This is done losslessly by only shifting the windows position (the image data is left untouched).
-  * Some functionality is not fully tested as i didn't found any subtitles that used those functionality (eg Object Cropped Flag, multiple Composition Object/Windows). If the subtitle windows would go outside the new screen size a warning is returned, i advise to check and see if those are correct.
+  * Crop functionality is not exstensivelly tested when multiple Composition Object or Windows are present or when the windows are is outside the new screen area, a warning is issued if that's the case and i strongly advise to check the resulting subtitle with a video player, also handling of the Object Cropped flag and windows area bigger than the new screen area is not implemented, a warning is issued if needed
 * delay + resync
   * If both modes are selected the delay will be adjusted if it comes before the resync parameter, for example if the program is launched with `delay 1000 resync 1.001` it will be internally adjusted to 1001ms, instead if it's launched with `resync 1.001 delay 1000` it will not