diff --git a/Physique1A/index.markdown b/Physique1A/index.markdown
index 042af21..e841356 100644
--- a/Physique1A/index.markdown
+++ b/Physique1A/index.markdown
@@ -22,4 +22,4 @@ categories: index
 [Cours](Physique_1A_04_C_RT.markdown), [Exercices](Physique_1A_04_EX.markdown)
 
 ## Chapitre 5 - Oscillateurs électriques
-[Cours](Physique_1A_05_C_OH.markdown), [Exercices]()
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+[Cours](Physique_1A_05_C_OH.markdown), [Exercices](Physique_1A_05_EX.markdown)
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