cleanup, docs

site/doc/pages/2_DValue_get_or_create.txt

@@ -13,6 +13,6 @@ return value : pointer to the child node
 :content
 Ensures the value is map-shaped and returns the named child. If the key does not exist, an empty child is created. Creating a non-numeric key on a list-shaped value clears list mode.
 
-```cpp
-payload.get_or_create("headers")->get_or_create("Content-Type")->set("text/plain");
-```
+
+:example
+print("DValue::get_or_create example\n");