fix link

Author: bragi92

articles/azure-monitor/essentials/prometheus-metrics-enable.md

@@ -401,7 +401,7 @@ ama-metrics-ksm-5fcf8dffcd      1         1         1       11h
 ## Feature Support
 
 - ARM64 and Mariner nodes are supported.
-- HTTP Proxy is supported and will use the same settings as the HTTP Proxy settings for the AKS cluster configured with [these instructions](/articles/aks/http-proxy.md).
+- HTTP Proxy is supported and will use the same settings as the HTTP Proxy settings for the AKS cluster configured with [these instructions](../../../articles/aks/http-proxy.md).
 
 ## Limitations