diff --git a/index.md b/index.md
index 6408b0654e85057f438f09d2938bb052f4476876..e34e5816b3b14750fd7793658bc1686b36308a25 100644
--- a/index.md
+++ b/index.md
@@ -45,11 +45,11 @@ 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)
 
-## Théorie 
+<!-- ## Théorie 
 
-### 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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