Broken link fixed

Author: atikmapari

articles/key-vault/general/index.yml

@@ -83,7 +83,7 @@ landingContent:
           - text: .NET Client library
             url: /dotnet/api/overview/azure/key-vault
           - text: Python Client library
-            url: /python/api/overview/azure/key-vault-index
+            url: /python/api/overview/azure/keyvault-keys-readme
           - text: Java Client library
             url: https://azure.github.io/azure-sdk-for-java/keyvault.html
           - text: Node.js Client library