diff --git a/src/lab/exp9/Manual.html b/src/lab/exp9/Manual.html
index 20acbb4b..ed6a691f 100644
--- a/src/lab/exp9/Manual.html
+++ b/src/lab/exp9/Manual.html
@@ -43,7 +43,7 @@
-
+
@@ -215,4 +215,4 @@