diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index c5ed7cc..76d5eb1 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Concurrent Systems/notes/6 - Atomicity.md",
+                "file": "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "6 - Atomicity"
+              "title": "2 - Fast mutex by Lamport"
             }
           }
         ]
@@ -195,6 +195,8 @@
   },
   "active": "51157f32453cba69",
   "lastOpenFiles": [
+    "Concurrent Systems/notes/1b - Peterson algorithm.md",
+    "Concurrent Systems/notes/6 - Atomicity.md",
     "Concurrent Systems/notes/5 - Software Transactional Memory.md",
     "Concurrent Systems/notes/4c - Dining Philosophers.md",
     "Concurrent Systems/notes/4b - Monitors.md",
@@ -203,9 +205,7 @@
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     "Concurrent Systems/notes/2b - Round Robin algorithm.md",
     "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
-    "Concurrent Systems/notes/1b - Peterson algorithm.md",
     "Concurrent Systems/notes/1 - CS Basics.md",
-    "Concurrent Systems/notes/6 - Atomicity.md",
     "conflict-files-obsidian-git.md",
     "Concurrent Systems/notes/images/Pasted image 20250318090909.png",
     "Concurrent Systems/notes/images/Pasted image 20250318090733.png",