diff --git a/NumLib/Fem/ShapeFunction/ShapeTri3.h b/NumLib/Fem/ShapeFunction/ShapeTri3.h
index 47f1febad01c728d05d0ad446b5a65ab22b0712f..ffc267d998bd16486d88d9c6c2e3d438a79185c8 100644
--- a/NumLib/Fem/ShapeFunction/ShapeTri3.h
+++ b/NumLib/Fem/ShapeFunction/ShapeTri3.h
@@ -27,7 +27,7 @@ namespace NumLib
  *  s | \
  *    |   \
  *    |     \
- *    *––––––* r
+ *    *------* r
  *  1 (0,0)    2 (1,0)
  */
 class ShapeTri3