diff --git a/content/slides/privacy/md/jnarac/books.md b/content/slides/privacy/md/jnarac/books.md
index 9e58dcdf106f1d7ccb138e607c36cc3fe6941715..75101d37114a9a1b59dff4c887602bee4043e89e 100644
--- a/content/slides/privacy/md/jnarac/books.md
+++ b/content/slides/privacy/md/jnarac/books.md
@@ -1,6 +1,6 @@
 ## Lectures
 
-<iframe border=0 frameborder=0 height=250 width=550 src="http://twitframe.com/show?url=https://twitter.com/Klubdesloosers/status/17401418682"></iframe>
+<iframe border=0 frameborder=0 height=250 width=550 src="https://twitframe.com/show?url=https://twitter.com/Klubdesloosers/status/17401418682"></iframe>
 
 
 ## L'utopie numÃ©rique