diff --git a/Eigen/src/Core/Ref.h b/Eigen/src/Core/Ref.h
index cd6d949c4..12c9c09f4 100644
--- a/Eigen/src/Core/Ref.h
+++ b/Eigen/src/Core/Ref.h
@@ -39,10 +39,10 @@ template<typename PlainObjectType, int Options = 0,
   * void foo2(const Ref<const VectorXf>& x);
   * \endcode
   *
-  * In the in-out case, the input argument must satisfies the constraints of the actual Ref<> type, otherwise a compilation issue will be triggered.
+  * In the in-out case, the input argument must satisfy the constraints of the actual Ref<> type, otherwise a compilation issue will be triggered.
   * By default, a Ref<VectorXf> can reference any dense vector expression of float having a contiguous memory layout.
-  * Likewise, a Ref<MatrixXf> can reference any column major dense matrix expression of float whose column's elements are contiguously stored with
-  * the possibility to have a constant space inbetween each column, i.e.: the inner stride mmust be equal to 1, but the outer-stride (or leading dimension),
+  * Likewise, a Ref<MatrixXf> can reference any column-major dense matrix expression of float whose column's elements are contiguously stored with
+  * the possibility to have a constant space in-between each column, i.e. the inner stride must be equal to 1, but the outer stride (or leading dimension)
   * can be greater than the number of rows.
   *
   * In the const case, if the input expression does not match the above requirement, then it is evaluated into a temporary before being passed to the function.