diff --git a/Eigen/src/Core/Array.h b/Eigen/src/Core/Array.h
index 2098749c0..fb1f48a2b 100644
--- a/Eigen/src/Core/Array.h
+++ b/Eigen/src/Core/Array.h
@@ -102,8 +102,13 @@ class Array : public PlainObjectBase<Array<Scalar_, Rows_, Cols_, Options_, MaxR
     return Base::_set(other);
   }
 
-  /** This is a special case of the templated operator=. Its purpose is to
-   * prevent a default operator= from hiding the templated operator=.
+  /**
+   * \brief Assigns arrays to each other.
+   *
+   * \note This is a special case of the templated operator=. Its purpose is
+   * to prevent a default operator= from hiding the templated operator=.
+   *
+   * \callgraph
    */
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Array& operator=(const Array& other) { return Base::_set(other); }
 
@@ -122,6 +127,7 @@ class Array : public PlainObjectBase<Array<Scalar_, Rows_, Cols_, Options_, MaxR
 #else
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr Array() = default;
 #endif
+  /** \brief Move constructor */
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr Array(Array&&) = default;
   EIGEN_DEVICE_FUNC Array& operator=(Array&& other) EIGEN_NOEXCEPT_IF(std::is_nothrow_move_assignable<Scalar>::value) {
     Base::operator=(std::move(other));
diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
index 8b7f70c16..1ea1a664d 100644
--- a/Eigen/src/Core/Matrix.h
+++ b/Eigen/src/Core/Matrix.h
@@ -255,7 +255,11 @@ class Matrix : public PlainObjectBase<Matrix<Scalar_, Rows_, Cols_, Options_, Ma
 #else
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr Matrix() = default;
 #endif
+  /** \brief Move constructor */
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr Matrix(Matrix&&) = default;
+  /** \brief Moves the matrix into the other one.
+   *
+   */
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr Matrix& operator=(Matrix&& other)
       EIGEN_NOEXCEPT_IF(std::is_nothrow_move_assignable<Scalar>::value) {
     Base::operator=(std::move(other));
diff --git a/Eigen/src/Core/PlainObjectBase.h b/Eigen/src/Core/PlainObjectBase.h
index 8720c4473..22f132982 100644
--- a/Eigen/src/Core/PlainObjectBase.h
+++ b/Eigen/src/Core/PlainObjectBase.h
@@ -473,7 +473,9 @@ class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
   // by making all its constructor protected. See bug 1074.
  protected:
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr PlainObjectBase() = default;
+  /** \brief Move constructor */
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE constexpr PlainObjectBase(PlainObjectBase&&) = default;
+  /** \brief Move assignment operator */
   EIGEN_DEVICE_FUNC constexpr PlainObjectBase& operator=(PlainObjectBase&& other) EIGEN_NOEXCEPT {
     m_storage = std::move(other.m_storage);
     return *this;