message: Document PatchNANs input type
diff: @@ -1615,7 +1615,9 @@ elements.
  CV_EXPORTS_W bool checkRange(InputArray a, bool quiet = true, CV_OUT Point* pos = 0,
  double minVal = -DBL_MAX, double maxVal = DBL_MAX);
  -/** @brief converts NaN's to the given number
  +/** @brief converts NaNs to the given number
  +@param a input/output matrix (CV_32F type).
  +@param val value to convert the NaNs
  */
  CV_EXPORTS_W void patchNaNs(InputOutputArray a, double val = 0);
  