diff --git a/README.md b/README.md
index a659d3a..6245e8f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Documents JSON
 
-[postgreSQL](postgreSQL)
+Exercice [postgreSQL](exercice1.md)
 
-[MongoDB](MongoDB)
+Introduction à [MongoDB](MongoDB.md)
+
+Exercice [MongoDB](exercice2.md)