Merge pull request MicrosoftDocs#6123 from divyachapan/patch-11

remove references to "root site"

Author: VesaJuvonen

sharepoint/sharepoint-ps/sharepoint-online/Enable-SPOCommSite.md

@@ -40,9 +40,9 @@ This example enables the communication site experience at this <https://contoso.
 
 ```powershell
 $orgName="<tenantname>"
-$rootSiteURL = "<Root site URL>"
+$SiteURL = "<Classic site URL>"
 Connect-SPOService -Url https://$orgName-admin.sharepoint.com
-Enable-SPOCommSite -SiteUrl $rootSiteURL
+Enable-SPOCommSite -SiteUrl $SiteURL
 ```
 
 **TROUBLESHOOTING**
@@ -67,7 +67,7 @@ If the site URL input points to a site that does not exist, you will see the fol
 
 **Error case 4: Classic publishing feature is currently enabled**
 
-We do not support root site that currently have or have had in the past enabled the classic publishing features. If you see this error, your root site is not eligible for this feature enablement
+We do not support sites that currently have or have had in the past enabled the classic publishing features. If you see this error, your site is not eligible for this feature enablement. Please check [requirements for this feature](https://docs.microsoft.com/sharepoint/modernize-classic-team-site).
 
 >*Enable-SPOCommSite : The operation cannot be performed because the Publishing feature is enabled on the site.*