diff --git a/python/src/LinearModelResult_doc.i.in b/python/src/LinearModelResult_doc.i.in
index d1c42dd2400..befadb9cb98 100644
--- a/python/src/LinearModelResult_doc.i.in
+++ b/python/src/LinearModelResult_doc.i.in
@@ -200,3 +200,26 @@ Returns
 -------
 intercept : Bool
 "
+
+// ---------------------------------------------------------------------
+
+%feature("docstring") OT::LinearModelResult::getDesign
+"Returns if intercept is provided in the basis or not.
+
+Returns
+-------
+designMatrix: :class:`~openturns.Matrix`
+    The design matrix :math:`X`."
+
+// ---------------------------------------------------------------------
+
+%feature("docstring") OT::LinearModelResult::computeProjectionMatrix
+"Returns if intercept is provided in the basis or not.
+
+Returns
+-------
+projectionMatrix: :class:`~openturns.SymmetricMatrix`
+    The projection matrix:
+
+.. math::
+    H = X \left(X^T X\right)^{-1} X^T."