diff --git a/cours/sbd_chapitre_2.pdf b/cours/sbd_chapitre_2.pdf
index ee569ec4fc7b36656a5c458574a484f9ae3242e0..a2aef55337e0989d41849f3029a12459f6b21d81 100644
Binary files a/cours/sbd_chapitre_2.pdf and b/cours/sbd_chapitre_2.pdf differ