diff --git a/doc/tutorials/definitions/tocDefinitions.rst b/doc/tutorials/definitions/tocDefinitions.rst
index 52d5e5b279..73387bac1b 100644
--- a/doc/tutorials/definitions/tocDefinitions.rst
+++ b/doc/tutorials/definitions/tocDefinitions.rst
@@ -14,3 +14,4 @@
 .. |Author_MimmoC| unicode:: Mimmo U+0020 Cosenza
 .. |Author_BarisD| unicode:: Bar U+0131 U+015F U+0020 Evrim U+0020 Demir U+00F6 z
 .. |Author_DomenicoB| unicode:: Domenico U+0020 Daniele U+0020 Bloisi
+.. |Author_MarvinS| unicode:: Marvin U+0020 Smith