Merge pull request #269095 from AjayKumar-MSFT/patch-175

(AzureCXP)  https://github.com/MicrosoftDocs/azure-docs/issues/120710

Author: v-dirichards

articles/app-service/app-service-web-nodejs-best-practices-and-troubleshoot-guide.md

@@ -125,7 +125,7 @@ let keepaliveAgent = new Agent({
     maxSockets: 32,
     maxFreeSockets: 10,
     timeout: 60000,
-    keepAliveTimeout: 300000
+    freeSocketTimeout: 300000
 });
 ```