diff --git a/_extensions/cours/_extension.yml b/_extensions/cours/_extension.yml
index bf7f086..d65b476 100644
--- a/_extensions/cours/_extension.yml
+++ b/_extensions/cours/_extension.yml
@@ -25,5 +25,5 @@ contributes:
         type-document:
           cours: false
           exercice: false
-          actvite: false
+          activite: false
 
diff --git a/_extensions/cours/before-title.tex b/_extensions/cours/before-title.tex
index e23e053..302946a 100644
--- a/_extensions/cours/before-title.tex
+++ b/_extensions/cours/before-title.tex
@@ -1,11 +1,25 @@
 %% DYNAMIC TITLE
 
 $if(type-document.cours)$
-\rohead*[Cours]{Cours - $subtitle$}
+    $if(subtitle)$
+        \rohead*[Cours]{Cours - $subtitle$}
+    $else$
+        \rohead*[Cours]{Cours}
+    $endif$
 $elseif(type-document.exercice)$
-\rohead*[Exercices]{Exercices - $subtitle$}
+    $if(subtitle)$
+        \rohead*[Exercices]{Exercices - $subtitle$}
+    $else$
+        \rohead*[Exercices]{Exercices}
+    $endif$
 $elseif(type-document.activite)$
-\rohead*[Activité]{Activité - $subtitle$}
+    $if(subtitle)$
+        \rohead*[Activité]{Activité - $subtitle$}
+    $else$
+        \rohead*[Activité]{Activité}
+    $endif$
+$elseif(subtitle)$
+    \rohead*{$subtitle$}
 $else$
-\rohead*{$subtitle$}
+    \rohead*{}
 $endif$
\ No newline at end of file
diff --git a/template.pdf b/template.pdf
index 57c0a46..f0da9e2 100644
Binary files a/template.pdf and b/template.pdf differ
diff --git a/template.qmd b/template.qmd
index 67e5d4d..f5d6659 100644
--- a/template.qmd
+++ b/template.qmd
@@ -39,6 +39,10 @@ Ce document est un exemple d'usage de ce template.
   \end{tblr}
 \end{center}
 
+# Besoin de sauter une page
+
+\lipsum
+
 # More Information
 
 You can learn more about controlling the appearance of PDF output here: <https://quarto.org/docs/output-formats/pdf-basics.html>