diff --git a/ct/headers/jupyternotebook b/ct/headers/jupyternotebook
index 84965a56a..f131a3fdb 100644
--- a/ct/headers/jupyternotebook
+++ b/ct/headers/jupyternotebook
@@ -1,6 +1,6 @@
-       __                  __               _   __      __       __                __  
-      / /_  ______  __  __/ /____  _____   / | / /___  / /____  / /_  ____  ____  / /__
- __  / / / / / __ \/ / / / __/ _ \/ ___/  /  |/ / __ \/ __/ _ \/ __ \/ __ \/ __ \/ //_/
-/ /_/ / /_/ / /_/ / /_/ / /_/  __/ /     / /|  / /_/ / /_/  __/ /_/ / /_/ / /_/ / ,<   
-\____/\__,_/ .___/\__, /\__/\___/_/     /_/ |_/\____/\__/\___/_.___/\____/\____/_/|_|  
-          /_/    /____/                                                                
+       __                  __            _   __      __       __                __  
+      / /_  ______  __  __/ /____  _____/ | / /___  / /____  / /_  ____  ____  / /__
+ __  / / / / / __ \/ / / / __/ _ \/ ___/  |/ / __ \/ __/ _ \/ __ \/ __ \/ __ \/ //_/
+/ /_/ / /_/ / /_/ / /_/ / /_/  __/ /  / /|  / /_/ / /_/  __/ /_/ / /_/ / /_/ / ,<   
+\____/\__,_/ .___/\__, /\__/\___/_/  /_/ |_/\____/\__/\___/_.___/\____/\____/_/|_|  
+          /_/    /____/