diff --git a/doc/SparseLinearSystems.dox b/doc/SparseLinearSystems.dox
index 051a02ed9..b66e2ba2b 100644
--- a/doc/SparseLinearSystems.dox
+++ b/doc/SparseLinearSystems.dox
@@ -46,6 +46,9 @@ They are summarized in the following table:
SPQR | \link SPQRSupport_Module SPQRSupport \endlink | QR factorization |
Any, rectangular | fill-in reducing, multithreaded, fast dense algebra |
requires the SuiteSparse package, \b GPL | recommended for linear least-squares problems, has a rank-revealing feature |
+PardisoLLT \n PardisoLDLT \n PardisoLU | \link PardisoSupport_Module PardisoSupport \endlink | Direct LLt, LDLt, LU factorizations | SPD \n SPD \n Square | Fill-in reducing, Leverage fast dense algebra, Multithreading |
+ Requires the Intel MKL package, \b Proprietary |
+ optimized for tough problems patterns, see also \link TopicUsingIntelMKL using MKL with Eigen \endlink |
Here \c SPD means symmetric positive definite.