diff --git a/src/data/roadmaps/angular/content/111-zones.md b/src/data/roadmaps/angular/content/111-zones.md
index be9f572e2..47e8a747e 100644
--- a/src/data/roadmaps/angular/content/111-zones.md
+++ b/src/data/roadmaps/angular/content/111-zones.md
@@ -1 +1,3 @@
 # Zones
+
+- [Angular - NgZone](https://angular.io/guide/zone)
\ No newline at end of file