ref-manual: Edits to the cpan class.

(From yocto-docs rev: c74aad5cb61fbe0d030d0a7d6a0c3b74154b02a0)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/ref-classes.xml

@@ -424,14 +424,19 @@
     </para>
 </section>
 
-<section id='ref-classes-perl'>
-    <title>Perl Modules - <filename>cpan.bbclass</filename></title>
+<section id='ref-classes-cpan'>
+    <title><filename>cpan.bbclass</filename></title>
+
+    <para>
+        The <filename>cpan</filename> class supports Perl modules.
+    </para>
 
     <para>
         Recipes for Perl modules are simple.
-        These recipes usually only need to point to the source's archive and then inherit the
-        proper <filename>.bbclass</filename> file.
-        Building is split into two methods depending on which method the module authors used.
+        These recipes usually only need to point to the source's archive and
+        then inherit the proper class file.
+        Building is split into two methods depending on which method the module
+        authors used.
         <itemizedlist>
             <listitem><para>Modules that use old
                 <filename>Makefile.PL</filename>-based build system require