diff --git a/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/StraightSkeletonItemsConverter_2.tex b/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/StraightSkeletonItemsConverter_2.tex
index c21dfafd386..0d5128a427a 100644
--- a/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/StraightSkeletonItemsConverter_2.tex
+++ b/Straight_skeleton_2/doc_tex/Straight_skeleton_2_ref/StraightSkeletonItemsConverter_2.tex
@@ -37,7 +37,7 @@ The concept \ccRefName\ describes the requirements for items converter passed as
   {A constant handle to model of the \ccc{StraightSkeletonFace_2} concept 
    used to represent the faces of the straight skeleton of the source type.}{}
   \ccGlue
-  \ccNestedType{Tarvet_vertex}
+  \ccNestedType{Target_vertex}
   {A model of the \ccc{StraightSkeletonVertex_2} concept used to represent the vertices 
   of the straight skeleton of the target type.}{}
   \ccGlue