Link fixed.

Author: v-rajagt

articles/cognitive-services/use-key-vault.md

@@ -596,6 +596,6 @@ If you're using a multi-service resource or Language resource, you can update [y
 
 * See [What are Cognitive Services](./what-are-cognitive-services.md) for available features you can develop along with [Azure key vault](/key-vault/general).  
 * For additional information on secure application development, see:
-    * [Best practices for using Azure Key Vault](/key-vault/general/best-practices)
+    * [Best practices for using Azure Key Vault](/azure/azure/key-vault/general/best-practices)
     * [Cognitive Services security](cognitive-services-security.md)
     * [Azure security baseline for Cognitive Services](/security/benchmark/azure/baselines/cognitive-services-security-baseline?toc=/azure/cognitive-services/TOC.json)