<para>
Binary distributions come in “bundles,” one bundle per file called
-<literal><replaceable>bundle</replaceable>-<replaceable>platform</replaceable>.tar.gz</literal>. (See the building guide for the definition of a platform.) Suppose that you untar a binary-distribution bundle, thus:
+<literal><replaceable>bundle</replaceable>-<replaceable>platform</replaceable>.tar.gz</literal>. (See the <ulink url="http://hackage.haskell.org/trac/ghc/wiki/Building">building guide</ulink> for the definition of a platform.) Suppose that you untar a binary-distribution bundle, thus:
</para>
<para>
option, so you can see exactly what pathnames it's using.
If things don't work as expected, check the list of known pitfalls in
-the building guide.
+the <ulink url="http://hackage.haskell.org/trac/ghc/wiki/Building">building guide</ulink>.
</para>
</listitem>