diff --git a/index.md b/index.md
index 3522b4566d0f4a4cb5ef78afd07dc1e63683da89..7be53ba16311d7a79aea92df9970ee3af8e2e88e 100644
--- a/index.md
+++ b/index.md
@@ -45,9 +45,9 @@ Chaîne *BBB* du cours <https://bbb.hesge.ch/b/ore-xff-hkz-poh>
 
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-## [Théorie](prog_seq_c_cours/index.html)
+<!-- ## [Théorie](prog_seq_c_cours/index.html) -->
 
-<!-- ### Introduction [PDF](prog_seq_c_cours/intro.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/cours) -->
+### Introduction [PDF](prog_seq_c_cours/intro.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/cours)
 
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