diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 03286bd..043d530 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -27,12 +27,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Concurrent Systems/notes/4b - Monitors.md",
+                "file": "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "4b - Monitors"
+              "title": "2 - Fast mutex by Lamport"
             }
           }
         ],
@@ -209,13 +209,13 @@
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     "Concurrent Systems/notes/4c - Dining Philosophers.md",
     "Concurrent Systems/notes/6 - Atomicity.md",
     "Concurrent Systems/notes/5 - Software Transactional Memory.md",
     "Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md",
-    "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/8 - Enhancing Liveness Properties.md",
     "conflict-files-obsidian-git.md",
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