diff --git a/index.md b/index.md
index dc05a58312fea4ce20c076dfa4327a78f30b644f..ef8f84c6964c10986953bedc7b89227d377b0091 100644
--- a/index.md
+++ b/index.md
@@ -55,6 +55,8 @@ corrige: false
 
 ## Tableaux unidimensionnels, [HTML](prog_seq_c_tp/tableaux_unidimensionnels/index.html), [PDF](prog_seq_c_tp/tableaux_unidimensionnels/tableaux_unidimensionnels.pdf), [GFX](prog_seq_c_tp/tableaux_unidimensionnels/gfx_example.tar.gz)
 
+## Les matrices, [HTML](prog_seq_c_tp/matrices_intro/index.html), [PDF](prog_seq_c_tp/matrices_intro/matrices_intro.pdf)
+
 :::
 ::: {.column width="60%"}