message: doc review: no need 'for this'
diff: @@ -42,8 +42,8 @@ make \endverbatim
  * \verbatim ctest --output-on-failure \endverbatim
  *
  * \subsection documentationgeneration C++ documentation
  - * To generate the C++ documentation, for this the <a target="_blank" href="http://www.doxygen.org/">doxygen</a> program
  - * is required, run the following command in a terminal:
  + * To generate the C++ documentation, the <a target="_blank" href="http://www.doxygen.org/">doxygen</a> program
  + * is required. Run the following command in a terminal:
  * \verbatim make doxygen \endverbatim
  * Documentation will be generated in a folder named <code>html</code>.
  *
  