Help updates

extra/help/markup/markup.factor

@@ -169,7 +169,8 @@ M: f print-element drop ;
         ] if
     ] ($subsection) ;
 
-: $vocab-link ( element -- ) first dup ($vocab-link) ;
+: $vocab-link ( element -- )
+    first dup vocab-name swap ($vocab-link) ;
 
 : $vocabulary ( element -- )
     first word-vocabulary [

extra/help/tutorial/tutorial.factor

@@ -1,6 +1,6 @@
 USING: help.markup help.syntax ui.commands ui.operations
 ui.tools.search ui.tools.workspace editors vocabs.loader
-kernel sequences prettyprint tools.test strings
+kernel sequences prettyprint tools.test tools.vocabs strings
 unicode.categories unicode.case ;
 IN: help.tutorial