diff --git a/frontend/textbooks/physics_8_hub.html b/frontend/textbooks/physics_8_hub.html
index e92f2ac..e37ce8e 100644
--- a/frontend/textbooks/physics_8_hub.html
+++ b/frontend/textbooks/physics_8_hub.html
@@ -892,9 +892,5 @@ window.addEventListener('focus', loadProgress);
-
-