Update Credits

Author: briandfoy

lib/App/Cpan.pm

@@ -1368,14 +1368,16 @@ This code is in Github:
 
 =head1 CREDITS
 
-Japheth Cleaver added the bits to allow a forced install (-f).
+Japheth Cleaver added the bits to allow a forced install (C<-f>).
 
 Jim Brandt suggest and provided the initial implementation for the
 up-to-date and Changes features.
 
-Adam Kennedy pointed out that exit() causes problems on Windows
+Adam Kennedy pointed out that C<exit()> causes problems on Windows
 where this script ends up with a .bat extension
 
+David Golden helps integrate this into the C<CPAN.pm> repos.
+
 =head1 AUTHOR
 
 brian d foy, C<< <[email protected]> >>