diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index c6a3d27..84b2045 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -69,7 +69,8 @@
       }
     ],
     "direction": "horizontal",
-    "width": 300
+    "width": 300,
+    "collapsed": true
   },
   "right": {
     "id": "b83c16dd7908c658",
@@ -156,7 +157,7 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "f1000ea0f0e6db20",
+  "active": "c473a791e2b34194",
   "lastOpenFiles": [
     "Algo/Courses/Chapter 7 - High Order (exercises).md",
     "Algo/Courses/Chapter 6 - Lists (Exercises).md",
diff --git a/Algo/Courses/Chapter 6 - Lists (Exercises).md b/Algo/Courses/Chapter 6 - Lists (Exercises).md
index ee109bd..e5e8947 100644
--- a/Algo/Courses/Chapter 6 - Lists (Exercises).md	
+++ b/Algo/Courses/Chapter 6 - Lists (Exercises).md	
@@ -27,7 +27,7 @@ val count = 'a -> 'a list -> int = <fun>
 ```Ocaml
 # let rec search x n =
 	if x = [] then
-		0
+		false
 	else
 		let e::t = x in
 		if e = x then