diff --git a/containers/index.html b/containers/index.html
index 44e1911b780d3bf8f9fb6acebc56a52bfef0ad91..fb8c1bb5904b1874862dfc934ee793f3c84818b0 100644
--- a/containers/index.html
+++ b/containers/index.html
@@ -1,5 +1,5 @@
-<!DOCTYPE html>​
-<html>​
-<h1>Hello from a web server running inside a container!</h1>​
-This is an exercise for the OLSS2021 course.​
+<!DOCTYPE html>
+<html>
+<h1>Hello from a web server running inside a container!</h1>
+This is an exercise for the OLSS2021 course.
 </html>