diff --git a/seance3_4h/seance3_4h.md b/seance3_4h/seance3_4h.md
index c48b969e87ac29fc99cffdb9652528f7cac6b20c..662bdea364c7c838bf8dafa6d4e59e637e80d38d 100644
--- a/seance3_4h/seance3_4h.md
+++ b/seance3_4h/seance3_4h.md
@@ -122,8 +122,8 @@ if __name__ == '__main__':
 		curseur.execute("SELECT nom, ville FROM hotel;")
 		print(curseur.fetchall())
 	except Exception as err:                                # interception d'une exception quelconque
-		print('type exception: %s' % (type(err).__name__))
-		print('%s' % (str(err)))
+		print('type exception: ', type(err).__name__)
+		print('err: ', str(err))
 	finally:                                                # fermeture de la base dans tous les cas
 		conn.close()
 ```