diff --git a/content/talks-posters/2020-06-23-tata.md b/content/talks-posters/2020-06-23-tata.md
index b79850efe3aba4dc9c7c19f76634fd4dca457d4f..5980153e49609dc35c0cf1be4287342fb522b8eb 100644
--- a/content/talks-posters/2020-06-23-tata.md
+++ b/content/talks-posters/2020-06-23-tata.md
@@ -6,7 +6,15 @@ location: Tata Institute of Social Sciences (Online)
 slides: 2020_tata.pdf
 conference_name: Webinar
 demo_ext_link: https://github.com/VivianePons/public-notebooks/blob/master/2020-06-23-permu-asso.ipynb
-tags: Permutohedron, Associahedron, Sage
+video: https://www.youtube.com/watch?v=4__5NKe4-Go
+tags: Permutohedron, Associahedron, Sage, Video
 
 
 We give an overview of 2 mathematical objects, the permutahedron and the associahedron. These are two polytopes which have combinatorial descriptions using permutations, and binary trees. 
+
+
+<div style="max-width: 560px; max-height:315px;margin:auto;">
+<div class="embed-responsive embed-responsive-16by9">
+<iframe width="560" height="315" class="embed-responsive-item" src="https://www.youtube.com/embed/4__5NKe4-Go" allowfullscreen></iframe>
+</div>
+</div>
diff --git a/content/teaching/2014-09-01.md b/content/teaching/2014-09-01.md
index acb839b12a38fb0d9d7b2955b615bc6aadacb392..7f2942886f386079dbbeec1f79fdc248b5fd6f1f 100644
--- a/content/teaching/2014-09-01.md
+++ b/content/teaching/2014-09-01.md
@@ -11,9 +11,9 @@ L'ensemble des documents de cours se trouvent sur le répertoire git.
 La note finale est constituée de 3 notes : 2 partiels et une note de TP. Pour les
 modalité de la note de TP, voir avec le chargé de TP.
 
-Année 2018-19 :
+Année 2020-21 :
 
-**Partiel 1 :** lundi 10 décembre
+**Partiel 1 :** mercredi 17 mars
 
-**Partiel 2 :** jeudi 16 mai
+**Partiel 2 :** jeudi 27 mai