Update security-guide.md

Author: JustinIven

articles/virtual-desktop/security-guide.md

@@ -83,7 +83,7 @@ Enabling audit log collection lets you view user and admin activity related to A
 
 ### Use RemoteApps
 
-When choosing a deployment model, you can either provide remote users access to entire virtual desktops or only select applications. Remote applications, or RemoteApps, provide a seamless experience as the user works with apps on their virtual desktop. RemoteApps reduce risk by only letting the user work with with a subset of the remote machine exposed by the application.
+When choosing a deployment model, you can either provide remote users access to entire virtual desktops or only select applications. Remote applications, or RemoteApps, provide a seamless experience as the user works with apps on their virtual desktop. RemoteApps reduce risk by only letting the user work with a subset of the remote machine exposed by the application.
 
 ### Monitor usage with Azure Monitor