diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 5d7d6a5..1c8149f 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -33,7 +33,8 @@
               "title": "class 13"
             }
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+        ],
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     "direction": "vertical"
@@ -202,10 +203,10 @@
       "companion:Toggle completion": false
     }
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-  "active": "ec8d1a91f1f0cc7e",
+  "active": "4151b8cc103dc898",
   "lastOpenFiles": [
-    "Concurrent Systems/slides/class 13.pdf",
     "Concurrent Systems/notes/13 - Weak Bisimilarity.md",
+    "Concurrent Systems/slides/class 13.pdf",
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     "Concurrent Systems/notes/12 - Calculus of communicating system.md",
     "Concurrent Systems/notes/14.md",