diff --git a/404.html b/404.html
index 086a5c9..b50c3ec 100644
--- a/404.html
+++ b/404.html
@@ -20,6 +20,8 @@ layout: default
 <div class="container">
   <h1>404</h1>
 
+  <img src="assets/404.jpg" alt="Italian Trulli">
+
   <p><strong>Page not found :(</strong></p>
   <p>The requested page could not be found.</p>
 </div>
diff --git a/about.markdown b/about.markdown
index 190971f..e6e5143 100644
--- a/about.markdown
+++ b/about.markdown
@@ -4,6 +4,8 @@ title: About
 permalink: /about/
 ---
 
+Ce site a été créé dans le but de concentrer tous les cours ainsi que les sources que j'utilise lors de leur écriture. 
+
 This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](https://jekyllrb.com/)
 
 You can find the source code for Minima at GitHub:
diff --git a/assets/404.jpg b/assets/404.jpg
new file mode 100644
index 0000000..8b0f419
Binary files /dev/null and b/assets/404.jpg differ
diff --git a/index.markdown b/index.markdown
index bca19f7..f22dba5 100644
--- a/index.markdown
+++ b/index.markdown
@@ -44,7 +44,4 @@ Un isomorphisme transforme une base en une autre base.
 
 $rg(u) = dim(F)$ ?
 
-[![Watch the video](https://raw.githubusercontent.com/vcncolin/lefrenchmathproject/main/assets/manim/Manim_icon.png)](https://raw.githubusercontent.com/vcncolin/lefrenchmathproject/main/assets/manim/GaussianFunction.mp4)
-
-<video src="https://raw.githubusercontent.com/vcncolin/lefrenchmathproject/main/assets/manim/GaussianFunction.mp4" width="320" height="240" controls></video>
-
+<video src="https://raw.githubusercontent.com/vcncolin/lefrenchmathproject/main/assets/manim/GaussianFunction.mp4" width="320" height="240" controls></video>
\ No newline at end of file