Bugfix.

diff --git a/qwerty.py b/qwerty.py
index 5e63e45..e400436 100755
--- a/qwerty.py
+++ b/qwerty.py
@@ -157,7 +157,8 @@ class SectionButton(SuperButton):
         cr.set_source_rgb(*BUTTON_BORDER)
         cr.move_to(0, self.height-2*PADDING)
         if self.active:
-            cr.line_to(PADDING,PADDING)
+            cr.line_to(PADDING, self.height-2*PADDING)
+            cr.line_to(PADDING, PADDING)
             cr.line_to(self.width-PADDING, PADDING)
             cr.line_to(self.width-PADDING, self.height-2*PADDING)
             cr.line_to(self.width, self.height-2*PADDING)