message: Fix cv::CommandLineParser::check() documentation
diff: @@ -909,7 +909,7 @@ public:
  /** @brief Check for parsing errors
  - Returns true if error occurred while accessing the parameters (bad conversion, missing arguments,
  + Returns false if error occurred while accessing the parameters (bad conversion, missing arguments,
  etc.). Call @ref printErrors to print error messages list.
  */
  bool check() const;
  