clarify documentation of ConstraintMatrix::distribute(VECTOR)

This came up as a question on the mailing list so we should be more precise.

diff --git a/include/deal.II/lac/constraint_matrix.h b/include/deal.II/lac/constraint_matrix.h
index 1bfa3d1f77cdf5813c5d0abf9ef804bdd1ad1344..305d5d72b190d6781141a9b3e19cc875b7f396cf 100644 (file)
--- a/include/deal.II/lac/constraint_matrix.h
+++ b/include/deal.II/lac/constraint_matrix.h
@@ -1099,8 +1099,8 @@ public:
    * Trilinos vector wrapper class, or any other type having the same
    * interface.
    *
-   * Note that if called with a TrilinosWrappers::MPI::Vector it may not
-   * contain ghost elements.
+   * @note If called with a TrilinosWrappers::MPI::Vector or
+   * PETScWrappers::MPI::Vector @p vec must not contain ghost elements.
    */
   template <class VectorType>
   void distribute (VectorType &vec) const;