Link to Modernize classic publishing portals (SharePoint#4663)

Provided link to Modernize classic publishing portals for continued information.

Author: nanddeepn

docs/transform/modernize-classic-sites.md

@@ -18,7 +18,7 @@ All of this is great, but you might ask yourself, *I have lots of classic (team)
 > You can decide which steps to run and the order in which to run them. Although there's no one-size-fits-all process to modernize your site, the following is the recommended approach.
 
 > [!IMPORTANT]
-> For publishing portals (sites based upon BLANKINTERNET#0, ENTERWIKI#0, SRCHCEN#0, SRCHCENTERLITE#0, BICENTERSITE#0, POINTPUBLISHINGHUB#0, POINTPUBLISHINGTOPIC#0 or sites using the “Pages” library) it's not currently supported to connect these to an Office 365 group or to use modern pages. If you want to modernize your publishing portal it's recommended to start from a new communication site and configure that one accordingly.
+> For publishing portals (sites based upon BLANKINTERNET#0, ENTERWIKI#0, SRCHCEN#0, SRCHCENTERLITE#0, BICENTERSITE#0, POINTPUBLISHINGHUB#0, POINTPUBLISHINGTOPIC#0 or sites using the “Pages” library) it's not currently supported to connect these to an Office 365 group or to use modern pages. If you want to modernize your publishing portal it's recommended to start from a new communication site and configure that one accordingly. For more information, see [Modernize classic publishing portals](modernize-publishing-portal.md).
 
 ## Enable your site to fully leverage the modern user interface