Added some minor comments.
Adapted some of the doc/snippets.
diff --git a/doc/snippets/Tutorial_solve_triangular.cpp b/doc/snippets/Tutorial_solve_triangular.cpp
index ff876f6..9d13f22 100644
--- a/doc/snippets/Tutorial_solve_triangular.cpp
+++ b/doc/snippets/Tutorial_solve_triangular.cpp
@@ -4,5 +4,5 @@
b << 3, 3, 4;
cout << "Here is the matrix A:" << endl << A << endl;
cout << "Here is the vector b:" << endl << b << endl;
-Vector3f x = A.triangularView<UpperTriangular>().solve(b);
+Vector3f x = A.triangularView<Upper>().solve(b);
cout << "The solution is:" << endl << x << endl;
diff --git a/doc/snippets/Tutorial_solve_triangular_inplace.cpp b/doc/snippets/Tutorial_solve_triangular_inplace.cpp
index 64ae4ee..16ae633 100644
--- a/doc/snippets/Tutorial_solve_triangular_inplace.cpp
+++ b/doc/snippets/Tutorial_solve_triangular_inplace.cpp
@@ -2,5 +2,5 @@
Vector3f b;
A << 1,2,3, 0,5,6, 0,0,10;
b << 3, 3, 4;
-A.triangularView<UpperTriangular>().solveInPlace(b);
+A.triangularView<Upper>().solveInPlace(b);
cout << "The solution is:" << endl << b << endl;
diff --git a/doc/snippets/class_FullPivLU.cpp b/doc/snippets/class_FullPivLU.cpp
index 855782d..d44d8b5 100644
--- a/doc/snippets/class_FullPivLU.cpp
+++ b/doc/snippets/class_FullPivLU.cpp
@@ -7,10 +7,10 @@
<< endl << lu.matrixLU() << endl;
cout << "Here is the L part:" << endl;
Matrix5x5 l = Matrix5x5::Identity();
-l.block<5,3>(0,0).part<StrictlyLowerTriangular>() = lu.matrixLU();
+l.block<5,3>(0,0).part<StrictlyLower>() = lu.matrixLU();
cout << l << endl;
cout << "Here is the U part:" << endl;
-Matrix5x3 u = lu.matrixLU().part<UpperTriangular>();
+Matrix5x3 u = lu.matrixLU().part<Upper>();
cout << u << endl;
cout << "Let us now reconstruct the original matrix m:" << endl;
cout << lu.permutationP().inverse() * l * u * lu.permutationQ().inverse() << endl;