diff --git a/osa0/0.6.md b/osa0/0.6.md
index a5a0634958b60602f5f429c1a915ebf021c87204..2ddc4876103c80bdcc8ccac0f2939a4321cff1ad 100644
--- a/osa0/0.6.md
+++ b/osa0/0.6.md
@@ -3,27 +3,14 @@ sequenceDiagram
     participant browser
     participant server
     
-    browser->>server: GET https://studies.cs.helsinki.fi/exampleapp/notes
+    browser->>server: POST https://studies.cs.helsinki.fi/exampleapp/new_note_spa
     activate server
-    server-->>browser: HTML document
+    Note right of browser: Header Content-Type tells the server that reguested data is in JSON.
+    server-->>browser: Status code 201
     deactivate server
     
-    browser->>server: GET https://studies.cs.helsinki.fi/exampleapp/main.css
-    activate server
-    server-->>browser: the css file
-    deactivate server
-    
-    browser->>server: GET https://studies.cs.helsinki.fi/exampleapp/main.js
-    activate server
-    server-->>browser: the JavaScript file
-    deactivate server
-    
-    Note right of browser: The browser starts executing the JavaScript code that fetches the JSON from the server
-    
-    browser->>server: GET https://studies.cs.helsinki.fi/exampleapp/data.json
-    activate server
-    server-->>browser: [{ "content": "HTML is easy", "date": "2023-1-1" }, ... ]
-    deactivate server    
+    Note right of browser: The browser executes the javascript that renderers the notes again with the new note added
 
-    Note right of browser: The browser executes the callback function that renders the notes 
-    ```
+
+    
+```