diff --git a/.gitignore b/.gitignore
index 4f995e8..aed35f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,10 @@ db.sqlite3
 dummyusers.json
 *.prof
 
+
+# IDE
+.vscode
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
diff --git a/CalibreWebCompanion/db.sqlite3.bak b/CalibreWebCompanion/db.sqlite3.bak
new file mode 100644
index 0000000..8ad6fa7
Binary files /dev/null and b/CalibreWebCompanion/db.sqlite3.bak differ
diff --git a/CalibreWebCompanion/library/views.py b/CalibreWebCompanion/library/views.py
index 31629bc..9021868 100644
--- a/CalibreWebCompanion/library/views.py
+++ b/CalibreWebCompanion/library/views.py
@@ -149,7 +149,7 @@ class BookDetailView(generic.DetailView):
             pass
         context["imgpath"] = context["object"].path + "/cover.jpg"
         download = Data.objects.get(book=context["object"].id)
-        context["download"] = f"{context['object'].path}/{download.name}.{download.format}"
+        context["download"] = f"{context['object'].path}/{download.name}.{download.format.lower()}"
         return context
 
 
diff --git a/CalibreWebCompanion/settings.json.bak b/CalibreWebCompanion/settings.json.bak
new file mode 100644
index 0000000..33d6e5d
--- /dev/null
+++ b/CalibreWebCompanion/settings.json.bak
@@ -0,0 +1,10 @@
+{
+    "CALIBRE_DIR": "PATH\\TO\\your\\calibre\library",
+    "SECRET_KEY": "u(8^+rb%rz5hsx4v^^y(ul7g(4n7a8!db@s*9(m5cs*2_ppy8+",
+    "ALLOWED_HOSTS": [
+        "127.0.0.1"
+    ],
+    "INTERNAL_IPS": [
+        "127.0.0.1"
+    ]
+}
\ No newline at end of file