Fix Apache2 docs

lib/Plack/Handler/Apache2.pm

@@ -136,12 +136,23 @@ Plack::Handler::Apache2 - Apache 2.0 handlers to run PSGI application
   PerlSetVar psgi_app /path/to/app.psgi
   </Location>
 
+  # Optional, preload the application in the parent like startup.pl
   <Perl>
   use Plack::Handler::Apache2;
   Plack::Handler::Apache2->preload("/path/to/app.psgi");
   </Perl>
 
-  # Or create your own handler:
+=head1 DESCRIPTION
+
+This is a handler module to run any PSGI application with mod_perl on Apache 2.x.
+
+=head1 CREATING CUSTOM HANDLER
+
+If you want to create a custom handler that loads or creates PSGI
+applications using other means than loading from C<.psgi> files, you
+can create your own handler class and use C<call_app> class method to
+run your application.
+
   package My::ModPerl::Handler;
   use Plack::Handler::Apache2;
 
@@ -155,19 +166,6 @@ Plack::Handler::Apache2 - Apache 2.0 handlers to run PSGI application
     Plack::Handler::Apache2->call_app($r, $app);
   }
 
-=head1 DESCRIPTION
-
-This is a handler module to run any PSGI application with mod_perl on Apache 2.x.
-
-=head1 METHODS
-
-=head2 call_app($r, $app)
-
-The mod_perl handler in this package loads the app and calls this method.  If
-you'd like to do something different, you can still make use of this module by
-preparing $r and $app in some other fashion and calling this as a class
-method.
-
 =head1 AUTHOR
 
 Tatsuhiko Miyagawa