message: Advise doxygen 1.9.5 as it is now available on conda
diff: @@ -45,7 +45,7 @@ make \endverbatim
  *
  * \subsection documentationgeneration C++ documentation
  * To generate the C++ documentation, the <a target="_blank" href="http://www.doxygen.org/">doxygen</a> program
  - * is required (version &ge; 1.9.3 is advised). Run the following command in a terminal:
  + * is required (version &ge; 1.9.5 is advised). Run the following command in a terminal:
  * \verbatim make doxygen \endverbatim
  * Documentation will be generated in a folder named <code>html</code>.
  *
  