diff --git a/index.md b/index.md
index 6254c90890d6d737dd0bc6f18cac5b85011c2892..300a0d783b79517ce6ced7af9c80fb2d27df9145 100644
--- a/index.md
+++ b/index.md
@@ -28,7 +28,7 @@ corrige: false
 
 ## [Récapitulatif](prog_seq_c_cours/index.html)
 
-## Base 1 [PDF](prog_seq_c_cours/base_1.pdf)
+## Introduction [PDF](prog_seq_c_cours/intro.pdf)
 
 ## Base 1 [PDF](prog_seq_c_cours/base_1.pdf)