diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 4e6b691..2671dc2 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -11,24 +11,12 @@
             "id": "14045e30aacf0836",
             "type": "leaf",
             "state": {
-              "type": "markdown",
+              "type": "pdf",
               "state": {
-                "file": "ISEN/English/CIPA4/15 sept 2025.md",
-                "mode": "source",
-                "source": false,
-                "backlinks": true,
-                "backlinkOpts": {
-                  "collapseAll": false,
-                  "extraContext": false,
-                  "sortOrder": "alphabetical",
-                  "showSearch": false,
-                  "searchQuery": "",
-                  "backlinkCollapsed": false,
-                  "unlinkedCollapsed": true
-                }
+                "file": "ISEN/Traitement du signal/CIPA4/Cours/chap4_filtrage_numerique.pdf"
               },
-              "icon": "lucide-file",
-              "title": "15 sept 2025"
+              "icon": "lucide-file-text",
+              "title": "chap4_filtrage_numerique"
             }
           },
           {
@@ -205,8 +193,8 @@
             "state": {
               "type": "git-view",
               "state": {},
-              "icon": "lucide-ghost",
-              "title": "git-view"
+              "icon": "git-pull-request",
+              "title": "Source Control"
             }
           }
         ],
@@ -224,13 +212,14 @@
       "canvas:Create new canvas": false,
       "templates:Insert template": false,
       "command-palette:Open command palette": false,
-      "audio-recorder:Start/stop recording": false
+      "audio-recorder:Start/stop recording": false,
+      "obsidian-git:Open Git source control": false
     }
   },
   "active": "14045e30aacf0836",
   "lastOpenFiles": [
-    "ISEN/FPGA/CIPA4/FPGA Cours 1.md",
     "ISEN/English/CIPA4/15 sept 2025.md",
+    "ISEN/FPGA/CIPA4/FPGA Cours 1.md",
     "ISEN/FHS/CIPA4/Anthropologie de l'entreprise/Question texte T2.md",
     "ISEN/FPGA/CIPA4",
     "ISEN/FPGA",