correct some small typos

src/amdis/BiLinearForm.hpp

@@ -91,7 +91,7 @@ namespace AMDiS
     void assemble(RowLocalView const& rowLocalView,
                   ColLocalView const& colLocalView);
 
-    /// Assemble all matrix operators, TODO: incooperate boundary conditions
+    /// Assemble all matrix operators, TODO: incorporate boundary conditions
     void assemble(SymmetryStructure symmetry = SymmetryStructure::unknown);
 
   protected:

src/amdis/linearalgebra/mtl/MatrixBackend.hpp

@@ -74,7 +74,7 @@ namespace AMDiS
     }
 
 
-    /// \brief Returns an update-proxy of the inserter, to inserte/update a value at
+    /// \brief Returns an update-proxy of the inserter, to insert/update a value at
     /// position (\p r, \p c) in the matrix. Need an insertionMode inserter, that can
     /// be created by \ref init and must be closed by \ref finish after insertion.
     void insert(size_type r, size_type c, value_type const& value)