step-50: mark as matrix-free tutorial

diff --git a/doc/doxygen/tutorial/tutorial.h.in b/doc/doxygen/tutorial/tutorial.h.in
index 9524556546ed6227b63324540ad7c551118a8e8b..7818674238b4c09854b11e8596aeda1903308efd 100644 (file)
--- a/doc/doxygen/tutorial/tutorial.h.in
+++ b/doc/doxygen/tutorial/tutorial.h.in
@@ -1000,6 +1000,7 @@
  *     <td>
  *       step-37,
  *       step-48,
+ *       step-50,
  *       step-59,
  *       step-64,
  *       step-66,