diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 696cdef..c6a3d27 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists.md",
+                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md",
                 "mode": "source",
                 "source": false
               }
@@ -85,7 +85,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists.md",
+                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -102,7 +102,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists.md",
+                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -125,7 +125,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "Algo/Courses/Chapter 6 - Lists.md"
+                "file": "Algo/Courses/Chapter 6 - Lists (Exercises).md"
               }
             }
           },
@@ -158,12 +158,12 @@
   },
   "active": "f1000ea0f0e6db20",
   "lastOpenFiles": [
-    "Algo/Séminaire/Chapter 1 - CAML basics.md",
-    "Algo/CM/CM du 04 octobre.md",
     "Algo/Courses/Chapter 7 - High Order (exercises).md",
-    "Code CAML.md",
     "Algo/Courses/Chapter 6 - Lists (Exercises).md",
     "Algo/Courses/Chapter 6 - Lists.md",
+    "Algo/Séminaire/Chapter 1 - CAML basics.md",
+    "Algo/CM/CM du 04 octobre.md",
+    "Code CAML.md",
     "Algo/Séminaire/Chapter 5 - Recursivity.md",
     "Algo/CM/CM du 27 septembre.md",
     "Algo/Séminaire/Chapter 3 - Case analysis.md",
diff --git a/Algo/Courses/Chapter 6 - Lists.md b/Algo/Courses/Chapter 6 - Lists.md
index 0df7ffa..05a0d82 100644
--- a/Algo/Courses/Chapter 6 - Lists.md	
+++ b/Algo/Courses/Chapter 6 - Lists.md	
@@ -145,7 +145,8 @@ val what : int -> int list = <fun>
 ```
 
 ### Reverse
-<img src="https://media.cleanshot.cloud/media/72873/OsuaEVYxMSlXPwyMbR6OBDPPfl1WOZZlJVuGXOeB.jpeg?Expires=1697477902&Signature=ILwYNR152n~xfEMrVa5Lw~pn3kR91fc-MnDYGOxHrZ-ZanfvPHxa~ndgkHuuXrzVbgkhgyR431DZAF1hz21Er-94LFxC7BnwUke9xosc9Xx5XPl13RCPavWoLHWwf-v~TjtUhQ9y796vDMEVgKPqfPlDpexVDHLLzn~CvBXRoR3b8BzORGwrw2nYNgKIUGZ0qBYwwfW2l7nQRoLwf0D6PdxTzSMhMiDd1Kkxnk3ZOOV~GPzvIeaLl6EEEoIXHvbnvq27iiZwCDOAs9sO61n4hZCqeh9GnrgmEJhFfaxO2Nzv1m71bcnxEjpXEWa3GeeMGu3-lxA6eAjuLIBEq2JleQ__&Key-Pair-Id=K269JMAT9ZF4GZ" />
+<center><img src="https://i.imgur.com/XcYIuTX.jpg" height="300px" width="auto"/></center>
+
 ### Complexity
 
 <center><iframe width="560" height="315" src="https://www.youtube.com/embed/KXAbAa1mieU?si=cbLGc2y64N87Rv_z" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe></center>