diff --git a/HowtoMongoDB.md b/HowtoMongoDB.md
index 362674df..8deadbc1 100644
--- a/HowtoMongoDB.md
+++ b/HowtoMongoDB.md
@@ -1,6 +1,6 @@
 ---
 title: Howto MongoDB
-categories: databases
+categories: databases nosql
 ---
 
 **CETTE DOCUMENTATION EST EN COURS DE RÉVISION....**