added new single server upgrade structure to 2025.1 to 2025.3 upgrade guide

Author: Donna-Marie Smith

content/en/docs/2025.3/Guides/upgrade-guides/upgrade-cortex/2024.9.25161-to-2025.3/single-server-without-ha/upgrade/upgrade-web-application-server/_index.md

@@ -5,6 +5,6 @@ description: "Information about upgrading the Web Application Server."
 weight: 40
 ---
 
-This guide describes how to upgrade {{% ctx %}} Gateway from 2024.9 to 2024.11. Please ensure that the [Upgrade Application Server][] has been completed before starting this upgrade.
+This guide describes how to upgrade the web application server from 2024.9.25161 to 2025.3. Please ensure that the [Upgrade Application Server][] has been completed before starting this upgrade.
 
 [Upgrade Application Server]: {{< url path="Cortex.Guides.UpgradeGuides.UpgradeCortex.2024.9.25161to2025.3.SingleServerWithoutHA.UpgradeApplicationServer" >}}

content/en/docs/2025.3/Guides/upgrade-guides/upgrade-cortex/2025.1-to-2025.3/single-server-without-ha/upgrade/upgrade-web-application-server/_index.md

@@ -0,0 +1,10 @@
+---
+title: "Upgrade Web Application Server"
+linkTitle: "Upgrade Web Application Server"
+description: "Information about upgrading the Web Application Server."
+weight: 40
+---
+
+This guide describes how to upgrade the web application server from 2025.1 to 2025.3. Please ensure that the [Upgrade Application Server][] has been completed before starting this upgrade.
+
+[Upgrade Application Server]: {{< url path="Cortex.Guides.UpgradeGuides.UpgradeCortex.2025.1to2025.3.SingleServerWithoutHA.UpgradeApplicationServer" >}}

content/en/docs/2025.3/Guides/upgrade-guides/upgrade-cortex/2025.1-to-2025.3/single-server-without-ha/upgrade/upgrade-web-application-server.md renamed to content/en/docs/2025.3/Guides/upgrade-guides/upgrade-cortex/2025.1-to-2025.3/single-server-without-ha/upgrade/upgrade-web-application-server/upgrade-gateway.md

@@ -1,7 +1,7 @@
 ---
-title: "Upgrade Web Application Server"
-linkTitle: "Upgrade Web Application Server"
-description: "Information about upgrading the Web Application Server from 2025.1 to 2025.3."
+title: "Upgrade Gateway"
+linkTitle: "Upgrade Gateway"
+description: "Information about upgrading {{% ctx %}} Gateway"
 weight: 30
 ---