diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ This repository contains resources to learn System Design concepts and prepare f
 
 ## 📌 System Design Key Concepts
 - [Scalability](https://blog.algomaster.io/p/scalability)
-- [Availability](https://blog.algomaster.io/p/82270ed9-5b98-4db5-b1cc-40b1ecc2b01e)
+- [Availability](https://blog.algomaster.io/p/system-design-what-is-availability)
 - [CAP Theorem](https://blog.algomaster.io/p/15f1d791-86ce-40ed-8269-962dbddbefdb)
 - [ACID Transactions](https://blog.algomaster.io/p/ecae03ba-1930-42ef-8796-83e2fa818989)
 - [Consistent Hashing](https://highscalability.com/consistent-hashing-algorithm/)