diff --git a/maths_discretes/README.md b/maths_discretes/README.md
index 636a8dd..4a5a437 100644
--- a/maths_discretes/README.md
+++ b/maths_discretes/README.md
@@ -13,6 +13,7 @@
 | Semaine              |                Cours                             | TD						|
 | -------------------- | ------------------------------------------------ | ----------------------- |
 | 4 	   | [Ensembles](./cours/ensembles.pdf), [Relations](./cours/relations.pdf)  | [td3](./td/td3.pdf)     |
+| 5 	   | [Relations](./cours/relations.pdf), [Ordre](./cours/ordre.pdf)  | [td4](./td/td4.pdf)   |
 
 ## TP
  - [Lien](https://iut-fbleau.fr/wims) vers le serveur WIMS.