* module.
*
*
- * <li> <b>Linear System</b>: One one knows how to evaluate the
+ * <li> <b>Linear System</b>: If one knows how to evaluate the
* values and gradients of shape functions on individual cells using
* FEValues and friends, and knows how to get the global numbers of
* the degrees of freedom on a cell using the DoFHandler iterators,
- * one uses the bilinear form of the problem to assemble the system
- * matrix (and right hand side) of the linear system from which we
- * will determine the solution of our problem.
+ * then the next step is to use the bilinear form of the problem to
+ * assemble the system matrix (and right hand side) of the linear
+ * system. We will then determine the solution of our problem from
+ * this linear system.
*
* To do this, we need to have classes that store and manage the
* entries of matrices and vectors. deal.II comes with a whole set