diff --git a/Documentation/ProjectFile/ode_solver/CVODE/c_CVODE.md b/Documentation/ProjectFile/ode_solver/CVODE/c_CVODE.md
index 576add64edccf5d980a0ff86143dc43a7109a788..ebab6712d2ec4c0ef92084bda9409e98f2327477 100644
--- a/Documentation/ProjectFile/ode_solver/CVODE/c_CVODE.md
+++ b/Documentation/ProjectFile/ode_solver/CVODE/c_CVODE.md
@@ -1 +1,3 @@
-\ogs_missing_documentation
+Settings for the CVODE solver from SUNDIALS
+
+For further details see also the [SUNDIALS website](http://computation.llnl.gov/projects/sundials/cvode).
diff --git a/Documentation/ProjectFile/ode_solver/CVODE/t_linear_multistep_method.md b/Documentation/ProjectFile/ode_solver/CVODE/t_linear_multistep_method.md
index 576add64edccf5d980a0ff86143dc43a7109a788..923d2aa4ba22e9055cb3d6e559347ae828a04cc1 100644
--- a/Documentation/ProjectFile/ode_solver/CVODE/t_linear_multistep_method.md
+++ b/Documentation/ProjectFile/ode_solver/CVODE/t_linear_multistep_method.md
@@ -1 +1,6 @@
-\ogs_missing_documentation
+Sets the linear multistep method used for solving the ODE.
+
+Possible values are <tt>Adams</tt> for the Adams-Moulton method and <tt>BDF</tt>
+for backward differentiation formulas.
+
+The default value is <tt>Adams</tt>.
diff --git a/Documentation/ProjectFile/ode_solver/CVODE/t_nonlinear_solver_iteration.md b/Documentation/ProjectFile/ode_solver/CVODE/t_nonlinear_solver_iteration.md
index 576add64edccf5d980a0ff86143dc43a7109a788..52a06f2121afd5e08b6aaa59e3adea54dc7b2f89 100644
--- a/Documentation/ProjectFile/ode_solver/CVODE/t_nonlinear_solver_iteration.md
+++ b/Documentation/ProjectFile/ode_solver/CVODE/t_nonlinear_solver_iteration.md
@@ -1 +1,6 @@
-\ogs_missing_documentation
+Defines the method used for solving the arising nonlinear equationsystems.
+
+Possible values are <tt>Functional</tt> for fixed point iterations and
+<tt>Newton</tt> for the Newton method.
+
+The default is <tt>Functional</tt>.
diff --git a/Documentation/ProjectFile/ode_solver/c_ode_solver.md b/Documentation/ProjectFile/ode_solver/c_ode_solver.md
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..58498f216e12d0f48309e7682085c84dab1c79b8 100644
--- a/Documentation/ProjectFile/ode_solver/c_ode_solver.md
+++ b/Documentation/ProjectFile/ode_solver/c_ode_solver.md
@@ -0,0 +1,2 @@
+In this group ODE solver settings for ODE solvers from external libraries are
+described.