diff --git a/doc/specs/idl.md b/doc/specs/idl.md
index 32763a6..df7e8d7 100644
--- a/doc/specs/idl.md
+++ b/doc/specs/idl.md
@@ -224,8 +224,8 @@
  [tutorial]:           /tutorial/
  [fb303.thrift]:       https://raw.githubusercontent.com/apache/thrift/master/contrib/fb303/if/fb303.thrift
  [Apache Cassandra's]: http://cassandra.apache.org/
- [cassandra.thrift]:   http://svn.apache.org/viewvc/cassandra/trunk/interface/cassandra.thrift?view=co
- [Evernote API]:       http://www.evernote.com/about/developer/api/
+ [cassandra.thrift]:   https://gitbox.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=interface/cassandra.thrift;hb=refs/heads/cassandra-3.0
+ [Evernote API]:       https://github.com/evernote/evernote-thrift
 
 ## To Do/Questions