diff --git a/courses/03-design-tabulaire.Rmd b/courses/03-design-tabulaire.Rmd
index 12a004b..16f152a 100644
--- a/courses/03-design-tabulaire.Rmd
+++ b/courses/03-design-tabulaire.Rmd
@@ -276,7 +276,7 @@ class:center, middle
 *Un attribut non-clé ne dépend pas d'une partie de la clé mais de toute la clé*
 
 ## 3NF : 2NF + attributs de la clé indépendants les uns des autres
-*Un attribut non-clé ne déponde pas d'un ou plusieurs attributs ne participant pas à la clé*
+*Un attribut non-clé ne dépend pas d'un ou plusieurs attributs ne participant pas à la clé*
 
 ---
 class: center
diff --git a/courses/03-design-tabulaire.html b/courses/03-design-tabulaire.html
index dbf03fb..a1ff537 100644
--- a/courses/03-design-tabulaire.html
+++ b/courses/03-design-tabulaire.html
@@ -268,7 +268,7 @@ class:center, middle
 *Un attribut non-clé ne dépend pas d'une partie de la clé mais de toute la clé*
 
 ## 3NF : 2NF + attributs de la clé indépendants les uns des autres
-*Un attribut non-clé ne déponde pas d'un ou plusieurs attributs ne participant pas à la clé*
+*Un attribut non-clé ne dépend pas d'un ou plusieurs attributs ne participant pas à la clé*
 
 ---
 class: center
@@ -276,44 +276,44 @@ class: center
 # 1NF
 
 .tiny[
-<div id="htmlwidget-35ae5997057741d9aa8f" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-35ae5997057741d9aa8f">{"x":{"filter":"none","data":[["TV"],["samsung, sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-8497cd67da8c9b7156d3" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-8497cd67da8c9b7156d3">{"x":{"filter":"none","data":[["TV"],["samsung, sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 ]
 ↓
-<div id="htmlwidget-7d16ed22d15b7bf7d801" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-7d16ed22d15b7bf7d801">{"x":{"filter":"none","data":[["TV","TV"],["samsung","sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-139eaa4988d6f5e878a8" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-139eaa4988d6f5e878a8">{"x":{"filter":"none","data":[["TV","TV"],["samsung","sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 
 ---
 class: center
 
 # 2NF
 
-<div id="htmlwidget-7710c1b942ce14c25e15" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-7710c1b942ce14c25e15">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"],["Seoul","Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-9ac7de99c0d988dbf9d8" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-9ac7de99c0d988dbf9d8">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"],["Seoul","Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 ↓
-<div id="htmlwidget-5c45718bdc87a9dc5efa" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-5c45718bdc87a9dc5efa">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script><div id="htmlwidget-4f354c4de2d28f69385b" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-4f354c4de2d28f69385b">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-518ff25f6400b8cfd378" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-518ff25f6400b8cfd378">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script><div id="htmlwidget-a5d7e2abe331b9a60ed1" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-a5d7e2abe331b9a60ed1">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 
 ---
 class: center
 
 # 3NF
 
-<div id="htmlwidget-b2d0896b423a780c4041" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-b2d0896b423a780c4041">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"],["Corée du sud","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-1f3a63b0e180f6db26a7" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-1f3a63b0e180f6db26a7">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"],["Corée du sud","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 ↓
-<div id="htmlwidget-c274bde3f69711341f28" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-c274bde3f69711341f28">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script><div id="htmlwidget-ef87a54d115bff24ae08" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-ef87a54d115bff24ae08">{"x":{"filter":"none","data":[["Seoul","Tokyo"],["Corée","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-5d73de6865852988c780" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-5d73de6865852988c780">{"x":{"filter":"none","data":[["Samsung","Sony"],["Seoul","Tokyo"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script><div id="htmlwidget-8d6046fee5b02007a1ae" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-8d6046fee5b02007a1ae">{"x":{"filter":"none","data":[["Seoul","Tokyo"],["Corée","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 
 ---
 class: center
 
 # À plat
 
-<div id="htmlwidget-fa68a2360ed1abef5fe4" style="width:100%;height:auto;" class="datatables html-widget"></div>
-<script type="application/json" data-for="htmlwidget-fa68a2360ed1abef5fe4">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"],["Seoul","Seoul","Tokyo"],["Corée","Corée","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
+<div id="htmlwidget-45dcda4f94b5fdaf9ad8" style="width:100%;height:auto;" class="datatables html-widget"></div>
+<script type="application/json" data-for="htmlwidget-45dcda4f94b5fdaf9ad8">{"x":{"filter":"none","data":[["TV","Phone","TV"],["Samsung","Samsung","Sony"],["Seoul","Seoul","Tokyo"],["Corée","Corée","Japon"]],"container":"<table class=\"display\">\n  <thead>\n    <tr>\n      <th>Produit<\/th>\n      <th>Fournisseur<\/th>\n      <th>Ville<\/th>\n      <th>Pays<\/th>\n    <\/tr>\n  <\/thead>\n<\/table>","options":{"paging":false,"info":false,"searching":false,"order":[],"autoWidth":false,"orderClasses":false}},"evals":[],"jsHooks":[]}</script>
 
 ### Opération facile à réaliser