/**
* The ParameterHandler class provides a standard interface to an input file
- * which provides at run-time for program parameters such as time step sizes,
- * geometries, right hand sides etc. The input for the program is given in files,
- * streams or strings in memory using text like
+ * which provides at run-time for program parameters such as time step
+ * sizes, geometries, right hand sides etc. The input for the program is
+ * given in files, streams or strings in memory using text like
* @verbatim
* set Time step size = 0.3
* set Geometry = [0,1]x[0,3]
* @endverbatim
- * Input may be sorted into subsection trees in order to give the input a logical
- * structure.
+ * Input may be sorted into subsection trees in order to give the input a
+ * logical structure.
*
+ * The ParameterHandler class is discussed in detail in the step-19 example
+ * program.
*
* <h3>Declaring entries</h3>
*