Minor rewrites

Author: JJ

doc/HomePage.pod6

@@ -5,7 +5,7 @@ programming language!
 Besides online browsing and searching, you can also
 <a href="/perl6.html">view everything in one file</a> or
 <a href="https://github.com/perl6/doc">contribute</a>
-by reporting mistakes or sending patches.
+by reporting issues or sending patches.
 
 <hr/>
 
@@ -24,7 +24,7 @@ by reporting mistakes or sending patches.
 
 <dt><a href="/type.html">Type Reference</a></dt>
 <dd>
-    Index of built-in classes and roles.
+    Index of built-in classes, roles and enums.
 </dd>
 
 <dt><a href="/routine.html">Routine Reference</a></dt>