Fix typo one ':' between class names

examples/step-64/step-64.cc

@@ -268,7 +268,7 @@ namespace Step64
   // DoFHandler::get_triangulation() returns a Triangulation object, not a
   // parallel::TriangulationBase object, we have to downcast the return value.
   // This is safe to do here because we know that the triangulation is a
-  // parallel:distributed::Triangulation object in fact.
+  // parallel::distributed::Triangulation object in fact.
   template <int dim, int fe_degree>
   HelmholtzOperator<dim, fe_degree>::HelmholtzOperator(
     const DoFHandler<dim>           &dof_handler,

include/deal.II/arborx/distributed_tree.h

@@ -30,7 +30,7 @@ namespace ArborXWrappers
 {
   /**
    * This class implements a wrapper around ArborX::DistributedTree, the
-   * distributed version of ArborX:BVH.
+   * distributed version of ArborX::BVH.
    *
    * Because ArborX uses Kokkos, Kokkos needs to be initialized and finalized
    * before using this class.

include/deal.II/grid/grid_tools.h

@@ -2278,7 +2278,7 @@ namespace GridTools
    * GridTools::build_triangulation_from_patch.
    *
    * DoFHandler's built on top of Triangulation or
-   * parallel:distributed::Triangulation are supported and handled
+   * parallel::distributed::Triangulation are supported and handled
    * appropriately.
    *
    * The result is the patch of cells representing the support of the basis

include/deal.II/lac/trilinos_tpetra_sparsity_pattern.h

@@ -341,7 +341,7 @@ namespace LinearAlgebra
         Tpetra::Map<int, dealii::types::signed_global_dof_index, NodeType>;
 
       /**
-       * Typedef for Tpetra:Graph
+       * Typedef for Tpetra::Graph
        */
       using GraphType =
         Tpetra::CrsGraph<int, dealii::types::signed_global_dof_index, NodeType>;