diff --git a/doc/unsupported_modules.dox b/doc/unsupported_modules.dox
index 455e80860..f606aca0a 100644
--- a/doc/unsupported_modules.dox
+++ b/doc/unsupported_modules.dox
@@ -22,6 +22,9 @@ namespace Eigen {
 /** \ingroup Unsupported_modules
   * \defgroup BVH_Module */
 
+/** \ingroup Unsupported_modules
+  * \defgroup Complex_Module */
+
 /** \ingroup Unsupported_modules
   * \defgroup FFT_Module */
 
diff --git a/unsupported/Eigen/Complex b/unsupported/Eigen/Complex
index 04228c95a..1232782ad 100644
--- a/unsupported/Eigen/Complex
+++ b/unsupported/Eigen/Complex
@@ -28,7 +28,18 @@
 // Eigen::Complex reuses as much as possible from std::complex
 // and allows easy conversion to and from, even at the pointer level.
 
-
+/** \ingroup Unsupported_modules
+  * \defgroup Complex_Module Complex module
+  *
+  * \code
+  * #include <unsupported/Eigen/Complex>
+  * \endcode
+  *
+  * The C++ complex type has some severe limitations that prevent an
+  * optimal use within Eigen. This (still unsupported) module is an attempt
+  * to fix this.
+  */
+ 
 #include <complex>
 
 namespace Eigen {
diff --git a/unsupported/Eigen/FFT b/unsupported/Eigen/FFT
index c143ef5bb..c8521bbf0 100644
--- a/unsupported/Eigen/FFT
+++ b/unsupported/Eigen/FFT
@@ -35,7 +35,7 @@
   * \defgroup FFT_Module Fast Fourier Transform module
   *
   * \code
-  * #include <unsupported/Eigen/NonLinearOptimization>
+  * #include <unsupported/Eigen/FFT>
   * \endcode
   *
   * This module provides Fast Fourier transformation, either using a built-in implementation