Updated broken links

Author: oschwald

README.md

@@ -87,9 +87,11 @@ version. You may also call `System.gc()` after dereferencing the
 ## Format ##
 
 The MaxMind DB format is an open format for quickly mapping IP addresses to
-records. The [specification](https://github.com/maxmind/MaxMind-DB-perl/blob/master/docs/MaxMind-IPDB-spec.md)
-is available as part of our [Perl writer](https://github.com/maxmind/MaxMind-
-DB-perl) for the format.
+records. The
+[specification](https://github.com/maxmind/MaxMind-DB/blob/master/MaxMind-DB-spec.md)
+is available as part of our
+[Perl writer](https://github.com/maxmind/MaxMind-DB-Writer-perl) for the
+format.
 
 ## Bug Tracker ##