diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index e5cdf02..9dfd2f4 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Concurrent Systems/notes/4b - Monitors.md",
+                "file": "Concurrent Systems/notes/1b - Peterson algorithm.md",
                 "mode": "preview",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "4b - Monitors"
+              "title": "1b - Peterson algorithm"
             }
           },
           {
@@ -216,10 +216,11 @@
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   "active": "383fb8ddbc7a9dc8",
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+    "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/4 - Semaphores.md",
     "Concurrent Systems/notes/2b - Round Robin algorithm.md",
     "conflict-files-obsidian-git.md",
-    "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
     "Concurrent Systems/notes/8 - Enhancing Liveness Properties.md",
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     "Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md",
@@ -240,7 +241,6 @@
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     "Concurrent Systems/notes/images/Pasted image 20250324100652.png",
-    "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/slides/class 4.pdf",
     "Concurrent Systems/slides/class 3.pdf",
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