diff --git a/doc/unsupported_modules.dox b/doc/unsupported_modules.dox
index c311235d9..88d8926fa 100644
--- a/doc/unsupported_modules.dox
+++ b/doc/unsupported_modules.dox
@@ -28,13 +28,13 @@ namespace Eigen {
 /** \ingroup Unsupported_modules
   * \ref MatrixFunctions_Module */
 
+/** \ingroup Unsupported_modules
+  * \ref MoreVectorization */
+
 /** \ingroup Unsupported_modules
   * \ref NonLinearOptimization_Module */
 
 /** \ingroup Unsupported_modules
   * \ref NumericalDiff_Module */
 
-/** \ingroup Unsupported_modules
-  * \ref MoreVectorization */
-
 } // namespace Eigen
diff --git a/unsupported/Eigen/NonLinearOptimization b/unsupported/Eigen/NonLinearOptimization
index 62f38d03b..b73935b3b 100644
--- a/unsupported/Eigen/NonLinearOptimization
+++ b/unsupported/Eigen/NonLinearOptimization
@@ -22,8 +22,8 @@
 // License and a copy of the GNU General Public License along with
 // Eigen. If not, see <http://www.gnu.org/licenses/>.
 
-#ifndef EIGEN_NONLINEAR_MODULE_H
-#define EIGEN_NONLINEAR_MODULE_H
+#ifndef EIGEN_NONLINEAROPTIMIZATION_MODULE
+#define EIGEN_NONLINEAROPTIMIZATION_MODULE
 
 #include <Eigen/Core>
 #include <unsupported/Eigen/NumericalDiff>
@@ -150,4 +150,4 @@ namespace Eigen {
 
 
 
-#endif // EIGEN_NONLINEAR_MODULE_H
+#endif // EIGEN_NONLINEAROPTIMIZATION_MODULE
diff --git a/unsupported/Eigen/NumericalDiff b/unsupported/Eigen/NumericalDiff
index 9d5bab6f5..2ad25bffa 100644
--- a/unsupported/Eigen/NumericalDiff
+++ b/unsupported/Eigen/NumericalDiff
@@ -31,13 +31,18 @@ namespace Eigen {
 
 /** \ingroup Unsupported_modules
   * \defgroup NumericalDiff_Module Numerical differenciation module
+  *
+  * \code
+  * #include <unsupported/Eigen/NumericalDiff>
+  * \endcode
+  *
   * See http://en.wikipedia.org/wiki/Numerical_differentiation
   *
   * Warning : this should NOT be confused with automatic differentiation, which
   * is a different method and has its own module in Eigen : \ref
   * AutoDiff_Module.
   *
-  * Currently only "Forward" and "Central" scheme are implemented. Those
+  * Currently only "Forward" and "Central" schemes are implemented. Those
   * are basic methods, and there exist some more elaborated way of
   * computing such approximates. They are implemented using both
   * proprietary and free software, and usually requires linking to an
@@ -53,9 +58,6 @@ namespace Eigen {
   * provide full features compatibility with the original (c)minpack
   * package.
   *
-  * \code
-  * #include <unsupported/Eigen/NumericalDiff>
-  * \endcode
   */
 //@{