diff --git a/29_Day/29_day_dom_day_9.md b/29_Day/29_day_dom_day_9.md
index 4be2a84f..c1ea12ff 100644
--- a/29_Day/29_day_dom_day_9.md
+++ b/29_Day/29_day_dom_day_9.md
@@ -14,7 +14,7 @@
 
 </div>
 
-[<< Day 27](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master27_Day27_day_dom_day_7.md) | [Day 29>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/29_Day/29_day_dom_day_9.md)
+[<< Day 28](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/28_Day/28_day_dom_day_8.md) | [Day 30>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/30_Day/30_day_dom_day_10.md)
 
 ![Thirty Days Of JavaScript](../images/banners/day_1_29.png)
 
@@ -41,4 +41,4 @@
 
 🎉 CONGRATULATIONS ! 🎉
 
-[<< Day 28](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master28_Day28_day_dom_day_8.md) | [Day 30>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/30_Day/30_day_dom_day_10.md)
\ No newline at end of file
+[<< Day 28](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/28_Day/28_day_dom_day_8.md) | [Day 30>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/30_Day/30_day_dom_day_10.md)