message: Typo in example documentation
diff: // p = cos(pi * x) * sin(t) * sin(pi * y)
  //
  // The solution is used to compute the symbolic forcing term (right hand side),
  -// of the equation. Then the numerical is computed and compared to the exact
  -// manufactured solution to determine the error.
  +// of the equation. Then the numerical solution is computed and compared to the
  +// exact manufactured solution to determine the error.
  #include "navier_solver.hpp"
  #include <fstream>
  