diff --git a/src/View/MainWindow.py b/src/View/MainWindow.py
index 126fab83..f7010d0d 100644
--- a/src/View/MainWindow.py
+++ b/src/View/MainWindow.py
@@ -954,7 +954,9 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
                 doc.show()
 
     def open_doc_user(self):
-        self.open_doc(f"https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/wikis/home")
+        self.open_doc(
+            "https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/wikis/home"
+        )
 
     def open_doc_dev(self, ext="pdf"):
         self.open_doc(f"Pamhyr2-dev.{ext}")