diff --git a/lecture_01/lecture_01.md b/lecture_01/lecture_01.md
index 807e888..196a29e 100644
--- a/lecture_01/lecture_01.md
+++ b/lecture_01/lecture_01.md
@@ -106,6 +106,5 @@ plot(t,v_analytical,'-',t,v_numerical,'o-')

-
+