diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dd33554
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.obsidian
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 0f34431..783d059 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -11,11 +11,9 @@
             "id": "7af84b2da78f2c72",
             "type": "leaf",
             "state": {
-              "type": "markdown",
+              "type": "pdf",
               "state": {
-                "file": "README.md",
-                "mode": "source",
-                "source": false
+                "file": "ANG/headway-intermediate-5th-edition.pdf"
               }
             }
           }
@@ -85,7 +83,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "README.md",
+                "file": "ANG/headway-intermediate-5th-edition.pdf",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -102,7 +100,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "README.md",
+                "file": "ANG/headway-intermediate-5th-edition.pdf",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -125,7 +123,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "README.md"
+                "file": "ANG/headway-intermediate-5th-edition.pdf"
               }
             }
           }
@@ -148,9 +146,9 @@
   },
   "active": "7af84b2da78f2c72",
   "lastOpenFiles": [
-    "ANG/headway-intermediate-5th-edition.pdf",
-    "ANG",
     "ANG/headway-intermediate-5th-edition-teachers-guidepdf-3-pdf-free.pdf",
-    "README.md"
+    "README.md",
+    "ANG/headway-intermediate-5th-edition.pdf",
+    "ANG"
   ]
 }
\ No newline at end of file