Merge pull request MicrosoftDocs#6585 from get-itips/patch-256

Adding Synopsis

Author: Kateyanne

sharepoint/sharepoint-ps/sharepoint-online/Set-SPOBrowserIdleSignOut.md

@@ -14,7 +14,7 @@ ms.reviewer:
 
 ## SYNOPSIS
 
-.
+Sets the current configuration values for Idle session sign-out.
 
 ## SYNTAX