diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 1a06939..3c50a3f 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -25,12 +25,14 @@
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             "type": "leaf",
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+              "type": "markdown",
               "state": {
-                "file": "Concurrent Systems/slides/class 4.pdf"
+                "file": "Concurrent Systems/notes/4b - Monitors.md",
+                "mode": "source",
+                "source": false
               },
-              "icon": "lucide-file-text",
-              "title": "class 4"
+              "icon": "lucide-file",
+              "title": "4b - Monitors"
             }
           }
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@@ -205,6 +207,7 @@
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     "Concurrent Systems/notes/4b - Monitors.md",
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@@ -239,7 +242,6 @@
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-    "Concurrent Systems/slides/class 4.pdf",
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