diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index e3d3e2b..5d8d8fe 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -60,7 +60,7 @@
                 "file": "Concurrent Systems/slides/class 3.pdf",
                 "page": 8,
                 "left": -11,
-                "top": 426,
+                "top": 430,
                 "zoom": 1.35124703087886
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@@ -242,6 +242,7 @@
   "active": "51157f32453cba69",
   "lastOpenFiles": [
     "Concurrent Systems/slides/class 4.pdf",
+    "Concurrent Systems/slides/class 3.pdf",
     "Concurrent Systems/notes/4b - Monitors.md",
     "Concurrent Systems/notes/4 - Semaphores.md",
     "Concurrent Systems/notes/5 - Software Transactional Memory.md",
@@ -251,7 +252,6 @@
     "Concurrent Systems/notes/3b - Aravind's algorithm and improvements.md",
     "Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md",
     "Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
-    "Concurrent Systems/slides/class 3.pdf",
     "Concurrent Systems/slides/class 2.pdf",
     "Concurrent Systems/notes/1b - Peterson algorithm.md",
     "Concurrent Systems/notes/Untitled.pdf",