minor edit

Author: SnehaSudhirG

articles/automation/extension-based-hybrid-runbook-worker-install.md

@@ -41,7 +41,7 @@ Azure Automation stores and manages runbooks and then delivers them to one or mo
 
 ### Other Requirements
 
-| Windows | Linux |
+| Windows (x64)  | Linux (x64) |
 |---|---|
 | Windows PowerShell 5.1 (download WMF 5.1). PowerShell Core isn't supported.| Linux Hardening must not be enabled.  |
 | .NET Framework 4.6.2 or later. |            |

articles/automation/migrate-existing-agent-based-hybrid-worker-to-extension-based-workers.md

@@ -57,7 +57,7 @@ The purpose of the Extension-based approach is to simplify the installation and
 
 ### Other Requirements
 
-| Windows | Linux |
+| Windows (x64)  | Linux (x64) |
 |---|---|
 | Windows PowerShell 5.1 (download WMF 5.1). PowerShell Core isn't supported.| Linux Hardening must not be enabled.  |
 | .NET Framework 4.6.2 or later. |            |