Use upper-case letters for vectors in the documentation.

Specifically, here use 'F' instead of 'f' as that is also the letters used in the
detailed documentation of the function we're referring to.

diff --git a/include/deal.II/numerics/vector_tools.h b/include/deal.II/numerics/vector_tools.h
index afb507dc59c389689af3d2cea43544598e50b7f0..e814363fdfa34d6513d642c4d541f1d19089e5de 100644 (file)
--- a/include/deal.II/numerics/vector_tools.h
+++ b/include/deal.II/numerics/vector_tools.h
@@ -146,7 +146,7 @@ DEAL_II_NAMESPACE_OPEN
  * a right hand side do, but without assembling a matrix.
  *
  * <li> Creation of right hand side vectors for point sources: The
- * create_point_source_vector() function computes the vector $f_i =
+ * create_point_source_vector() function computes the vector $F_i =
  * \int_\Omega \delta(x-x_0) \phi_i(x) dx$.
  *
  * <li> Creation of boundary right hand side vectors: The