diff --git a/sco_bulletins_generator.py b/sco_bulletins_generator.py
index a9b598d6..f89645bc 100644
--- a/sco_bulletins_generator.py
+++ b/sco_bulletins_generator.py
@@ -149,8 +149,7 @@ class BulletinGenerator:
         return filename
 
     def generate(self, format="", stand_alone=True):
-        """Return bulletin in specified format
-        """
+        """Return bulletin in specified format"""
         if not format in self.supported_formats:
             raise ValueError("unsupported bulletin format (%s)" % format)
         try:
@@ -165,8 +164,7 @@ class BulletinGenerator:
             PDFLOCK.release()
 
     def generate_html(self):
-        """Return bulletin as an HTML string
-        """
+        """Return bulletin as an HTML string"""
         H = ['<div class="notes_bulletin">']
         H.append(self.bul_table(format="html"))  # table des notes
         H.append(self.bul_part_below(format="html"))  # infos sous la table
@@ -261,7 +259,7 @@ def make_formsemestre_bulletinetud(
         gen_class = bulletin_get_class(bul_class_name)
     except:
         raise ValueError(
-            "Type de bulletin PDF invalide (paramètre: %s)" % bul_pdf_class_name
+            "Type de bulletin PDF invalide (paramètre: %s)" % bul_class_name
         )
 
     try: