diff --git a/29_explore/29_explore.md b/29_explore/29_explore.md
index 412467e..9467f96 100644
--- a/29_explore/29_explore.md
+++ b/29_explore/29_explore.md
@@ -14,7 +14,7 @@
 
 </div>
 
-[<< Day 28](../27_Ref/27_ref.md) | [Day 29 >>](../29_explore/29_explore.md)
+[<< Day 28](../28_project/28_project.md) | [Day 30 >>](../30_conclusions/30_conclusions.md)
 
 ![30 Days of React banner](../images/30_days_of_react_banner_day_29.jpg)
 
@@ -39,4 +39,4 @@ Coming ...
 
 🎉 CONGRATULATIONS ! 🎉
 
-[<< Day 27](../27_Ref/27_ref.md) | [Day 29>>]()
+[<< Day 28](../28_project/28_project.md) | [Day 30>>](../30_conclusions/30_conclusions.md)