diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 140fe96..24c83b1 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
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               "type": "markdown",
               "state": {
-                "file": "Foundation of data science/notes/9 XGBoost.md",
+                "file": "Foundation of data science/notes/9 Gradient Boosting.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "9 XGBoost"
+              "title": "9 Gradient Boosting"
             }
           },
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@@ -254,8 +254,8 @@
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-    "Foundation of data science/notes/9 Gradient Boosting.md",
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+    "Foundation of data science/notes/9 Gradient Boosting.md",
     "Biometric Systems/notes/8 Face anti spoofing.md",
     "Biometric Systems/notes/3. Recognition Reliability.md",
     "Biometric Systems/notes/2. Performance indexes.md",