adjust help-page update

Author: mflatt

www/help.rkt

@@ -33,7 +33,7 @@
    @parlist[@strong{The Racket Community}
             @text{The Racket community is a great place to find answers
                   to questions when the above resources don't pan out@";"
-                  sign up to the ◊link["https://racket.discourse.group/invites/VxkBcXY7yL"]{Racket Discourse} 
-                  or ◊link["https://discord.gg/6Zq8sH5"]{Discord}.}]
+                  sign up to the @a[href: "https://racket.discourse.group/invites/VxkBcXY7yL"]{Racket Discourse} 
+                  or @a[href: "https://discord.gg/6Zq8sH5"]{Discord}.}]
    @br
    @text{Thanks for using Racket!}}})