diff --git a/doc/design/monorepo.md b/doc/design/monorepo.md
index 65204d446b..a9f026895a 100644
--- a/doc/design/monorepo.md
+++ b/doc/design/monorepo.md
@@ -32,12 +32,12 @@ This is quite taboo but let's look at the pros and cons:
 - [Dan Luu](http://danluu.com/monorepo/)
 - [Gregory](http://gregoryszorc.com/blog/2014/09/09/on-monolithic-repositories/)
 - [Szorc](http://gregoryszorc.com/blog/2015/02/17/lost-productivity-due-to-non-unified-repositories/)
-- [Face](https://developers.facebooklive.com/videos/561/big-code-developer-infrastructure-at-facebook-s-scale)[book](https://code.facebook.com/posts/218678814984400/scaling-mercurial-at-facebook/)
+- [Face](https://www.youtube.com/watch?v=X0VH78ye4yY)[book](https://code.facebook.com/posts/218678814984400/scaling-mercurial-at-facebook/)
 - [Benjamin Pollack](http://bitquabit.com/post/unorthodocs-abandon-your-dvcs-and-return-to-sanity/)
 - [Benjamin Eberlei](https://qafoo.com/resources/presentations/froscon_2015/monorepos.html)
 - [Simon Stewart](http://blog.rocketpoweredjetpants.com/2015/04/monorepo-one-source-code-repository-to.html)
 - [Digital Ocean](https://www.digitalocean.com/company/blog/taming-your-go-dependencies/)
 - [Google](http://www.infoq.com/presentations/Development-at-Google)
-- [Twitter](http://git-merge.com/videos/scaling-git-at-twitter-wilhelm-bierbaum.html)
+- [Twitter](https://www.youtube.com/watch?v=bjh4DHuOf4E)
 - [thedufer](http://www.reddit.com/r/programming/comments/1unehr/scaling_mercurial_at_facebook/cek9nkq)
-- [Paul Hammant](http://paulhammant.com/categories.html#trunk_based_development)
+- [Paul Hammant](http://paulhammant.com/categories.html#Trunk_Based_Development)