diff --git a/book.toml b/book.toml
index 743ce46..1920871 100644
--- a/book.toml
+++ b/book.toml
@@ -2,4 +2,5 @@
 title = "Sandbox Documentation"
 language = "en"
 [output.html]
-default-theme = "light"
\ No newline at end of file
+theme = "midnight"
+default-theme = "midnight"
\ No newline at end of file
diff --git a/src/sandbox/data_pool.md b/src/sandbox/data_pool.md
index 6aaf2c8..f5b0412 100644
--- a/src/sandbox/data_pool.md
+++ b/src/sandbox/data_pool.md
@@ -22,10 +22,17 @@ To use the headless object storage, you can upload a file via REST-Interface or
     files = {'fileUpload': (filename, open(filename, 'rb'),'text/csv')}
     r = requests.post(url, files=files)   
 ```
+
+or using curl as command line tool:
+
+```
+curl -F fileUpload=@file.zip https://share.storage.sandbox.iuk.hdm-stuttgart.de/upload
+```
+
 **Example JSON response**
 ```json
 {
-	"PublicUrl": "https://storage.sandbox.iuk.hdm-stuttgart.de/upload/a1236b2b-49bf-4047-a536-20dab15b7777/untitled.txt",
+	"PublicUrl": "https://share.storage.sandbox.iuk.hdm-stuttgart.de/upload/f2a69e9a-f60b-418d-a678-efce181fb8a5/untitled.txt",
 	"Size": 11,
 	"Expiration": "2023-10-04T00:00:00Z"
 }